Mask last 4 digits java. After this, return the last digit.

Mask last 4 digits java For example, I have below list of words to be masked. That's what I wanted to say. Ask Question Asked 10 years, 4 months ago. \d - Match a single digit. This solution will append the last 4 chars of the card number with asterisk. split(": ") is going to compile a new java. print(bStr. Open comment sort options. How to get the last value from jmeter Regular Expression? 0. length(); word. JS Regex last two digits matches the first two digits. Another way to do it (not as nice as modulus) is to use the . 8. now(). Regular expression to accept numbers up to 5 digits and decimals. Most method operations on a String creates a new String. NOTE: I am getting a different credit card number for every transaction. I know I can use a formula like =right(20150613,4), but I don't want to do that; I need the number to stay as is, just change how it is displayed. You could handle eight digits as a special case. Regex to Mask all but Last Two Digits of a Number of Specific @deceze As far as I understand, it's not required that the last 4 digits are continuously. time. How Can I dynamically mask all digits except the last 4 always? A pattern like {1,4} would allow numbers with 1 up to 4 digits, a pattern like {x} fixes the number of digits to x times. Improve this question. regex package provides the classes required for regex operations. such as last four of credit card using the Braintree Java API number lengths. How can I mask Mobile Starting digits in Android EdiiText. Sample Solution: JavaScript Code: //#Source https://bit. reverse(number. n is the number of digits. Sort by: Best. This function takes two arguments: the first argument is the character or characters to be replaced, and the second argument is the character or characters to replace them with. You can use a regex to match any digit that is not within the last 4 digits at the end of the string, and replace with an X: \d(?!\d{0,3}$) Explantion: Use regular expression to mask last 4 digit in Java. Replace. getChars(length - 3, length, buffer, 0); About. Scenario 4: 123456 78 is missing. int b = 1909; String bStr = String. I am going to create custom annotation with default value and To use Java's regular expressions (regex) to mask a credit card number, you can create a regex pattern that matches the credit card number format and then use the String. I was planning on using substr, but the length of the bank account numbers varies, so I can use a specific length. Upvote Upvoted Remove Upvote Reply. My snippet of code doesn't work correctly Code: public int lastDigit(int number) { String temp = Integer. Or to be a bit safer: How to i mask all string characters except for the last 4 characters in Java using parameters? 0. We may need to get the last 4 characters when we are dealing with customer-sensitive data such as phone numbers or SSNs. Year, one of a number of date and time classes introduced in Java 8 (and also backported to Java 6 and 7). Tells whether or not this string matches the given regular expression. Regex for phone number masking in Java. My snippet of code doesn't work correctly Code: public int lastDigit(int number) { St Skip to main content. 86 This example uses a combination of mask and replace, where it selects all "ssn" values and masks everything except the last 4-digits. Can you provide the regex to mask everything except area code ? – Anirudh Kashyap. CustomColumnDisplayText event to produce custom masking with this workaround:. split(), but it is worth noting that s. finally it only allow max 16 number in the card field If you want the String composed of the last three characters, you can use substring(int):. Related. I was planning on using substr, but the length of the bank account numbers varies, Substring ( Given String, Length of Given String - 4 ) To get last 4 four digits. The length of value will be any. ', 'n', 'u', 'l', 'l'):. The following takes in account that only numbers can be written in the input, as well as the backspace works when you need it. lang. protected void I want to mask the account number for viewing, except for the last 4 digits. ; In fact, you should add break out of the loop once you find 13 consecutive digit. I think my solution works but it seems a bit clumsy. in case your // long looks like 1, 11 or 111 as numbers cannot start with the // 0 digit) String result = String. What is Regex? A Regular Expression (regex) is a sequence of characters that forms a search pattern. Modified 4 years, 6 months ago. How to i mask all string characters except for the last 4 characters in Java using parameters? 2. Any guidance will be appreciated java; return; digits; Share. Top. Masking phone number with regex in javascript. Ask Question Asked 4 years, 6 months ago. x & 3 is a bit-wise AND operation with the binary number 11, i. Commented Dec 21, 2017 at 1:20. Here I want to extract the last 4 digits into a property, let say as Last4Digit = 1234 and also want to extract 6 digits, let say as Last6Digit That is, when user inputs up to 4 digits, like 7144, the editText shows "714-4". mask information { please see desc} my payload is { "credit card number" : "123456789"}, how to get the last 4 digits only ???? my output should be "XXXXX6789" in this format. I tried the following Use regular expression to mask last 4 digit in Java. Regex match everything but last four digits. This pattern can be used to search, edit, or manipulate text. Omit the third argument, mask, to use a default character of '*' for the mask. And as you can see matches is actually checking the whole string that is invoking the method:. How to MASK XML Confidential/Personal Data : JAVA; How to mask Personal/Confidential Information on web page; Account Number masking Example. Best. In this case, we need to display only the last 4 characters to mask the sensitive data. Mask mobile 6 digit with * n show last 4 digits in EditText Android. Commented Jul 24, 2012 at 11:07. In this case, we need to display only last 4 characters to mask the sensitive data. I found a few site on here that relevant but doesn't remove dashes/spaces. So technically, if you want a dash after every four digits, but for any number of digits, then this plugin is not right for Need to mask the First 5 digits and display only last 4 digits of SSN. It will be relatively slow and will allocate far more than necessary to solve this problem. Key Components of Java Regex. Hey there I have a possible solution which involves keyup and DOm manipulation. g. ; You're not really looking for consecutive digits, but just total number of non-cosnecutive digits. My requirement is that I have to show the first six digits and the last 4 digits of a card number and mask the other characters in between with the character 'X'. time classes instead of the troublesome legacy classes like SimpleDateFormat, see the similar Question: Force 4-digit-year in localized strings generated from DateTimeFormatter. I have searched through the net on this, but cannot find one code that works. example : String texter = "5793231309" how to get '09' ? so when Iprintln "texter : "+texter. Whether the digits in your cell are formatted as text, numbers, or the special Social Security number format, you can use the same functions. Displaying guessed letter in hangman program? Mask some part of String. grab last four digits approach after deleting non digits using regex. However, what makes it potentially tricky is that credit card numbers can have anywhere from 13-19 digits, although 16 I want to make an md-input field where only the last 4 digits will be displayed, like this,"*****1234". and for 6 digits, replace 4 with 6. This helps me keep my skills sharp and see how other devs all over the planet would solve these problems. Pattern Matching for query the number in the log. RegEx for N digits always starting with Let's assume that required number to convert is an integer. Both your question and several answers mention String. Masking Name with Regex in Javascript. Modified 10 months ago. Use regular expression to mask last 4 digit in Java. The \b boundary helps check that we are the start of the digits Hello readers! It's really important for me to continue my practice and learning. value = new Array ( account . Masking phone number Java. Do the last part with a forward lookup, something like Do the last part with a forward lookup, something like It needs to be a regular expression which extracts the capture group of which I will then be able to use a MatchEvaluator to turn all digits (excluding non digits) which are not the first 6 and last 4 into a * I've seen many examples here on stack overflow for PHP and JS but none which helps me resolve this issue. Im trying to get it to return *6789 if i give in an unmasked value of 4, or *789 if i give it an unmasked value of 3. Therefore, the middle Now I'd like to access and then store the card's last 4 digits. user1864610 This is for everyone who said they didn't need another way to mask a credit card. Ask Question Asked 6 years, 10 months ago. How to mask first 6 and last 4 digits for a credit card number in Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company One approach is to replace every digit with a *, provided it's followed by four or more other digits. Masking last 4 digits in JavaScript. Regular expression to match all digits of unknown length except the last 4 digits. Regex to extract Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company How can I prevent (usign maybe Angular) the user from entering more than 4 numbers in a an simple number like this one : <input type="number"> I used ng-maxlength, and max attributes, but those attributes as specified by w3. So the numbers looking like : 123456####. The "\\\\d{4}" string literal defines a \\d{4} regex that matches a \dddd string (a backslash and then four d chars). How to Assign Collision Layers and Masks for Player I have a problem to get last two digit from a string. Regex to extract four digits Your input is eight digits, but your format expects five digits, a dash and then three digits. There are few issues: You're breaking out of else, when first time you find non-digit character. That is, if there are 24 or more digits, this regex only operates on the last 23 of them. And also it mentions: An invocation of this method of the form str. Masking Phone Number in Java with second character and last four characters printed with regular expressions. I have very little experience in Java, so I was wondering if someone might be able to help me write a function that will place an x in place of the first 5 digits of a SSN and then show Hi all, I need to mask Bank Account numbers except the last 4 digits using sqr reporting. substring(word. how can this be done? also, I am handling more than one editTexts. Share. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have a column named Number . By using a StringBuilder I wanted to say that he could use the string to instantiate a StringBuilder and then replace the characters in the object without creating a new one and This is a one-liner: System. If you're just trying to mask the credit card number, there are a number of ways to do that. As has been pointed out in a comment, you can also use TRANSLATE as follows: Mask a credit card number with asterisks in Python. so, I need only the last 4 digits then replace others with XXXX. Stack Overflow. Mask Alternative chars in a The problem with this though is there are records in the database that are obviously fake credit cards and may not even have 4 digits. Java - mask credit card number and display only last 4 digits - using Java, JUnit Let’s implement our last step for both the number data type and the string data type. The conversion can be done by an operator for remainder of division, the operator is %. Commented Mar 3, Use regular expression to mask last 4 digit in Java. length - 4 Omit the second argument, num, to keep a default of 4 characters unmasked. Regex expression to match the first digit of a string with 4. Instead of supplying the "with" helper function with a String value, an expression is passed in. It also shows how to mask starting of few digits with the # (Hash) of the phone numbers. b. Thanks. Regex to Mask all but Last Two Digits of a Number of Specific Length. e. Masking Account number to View only last 4 digits in DevExpress GridViewDataColumn. 8520. Tried several options and played with regex, but it didn't mask it or over masking everything . 0. For example. I made a javascript of this, and it worked! but i don't know what's the equivalent code of I'm trying to create a custom input to mask SSN value but I want to hide first values and only show last 4 digits. What I need as output is everything masked, except the last four digits. How to replace all characters except the last digits. Since you are matching the whole Credit Card number and you are using s. I would like the editText to be dynamically updated to format ###-###-#### whenever the user inputs a digit. println(last); //prints 4 Share. regex. I mean, if you transform it on frontend, I am pretty I am looking for the EXPERT help with a regular expression to mask all credit card numbers but leave the last 4 digits. Expected behavior: What I get when I use react-input-mask: My code: <InputMask maskPlaceholder={null} mask="9999-99-9999" value={value} onChange={onChange} /> The safest thing to do would be to store the four right-most digits in another encrypted column in your table. ){14} - Close 1st non capture group and match it 14 times Here are the different methods to replace characters except the last with the specified mask character in JavaScript. toString(number); int[] guess = new int[temp. Pattern; public class Mask{ static String text="+9199136 Regex that blocks single digit numbers 2,3,4,5. Replacing first 16 digits in a string with Regex. Like, How to mask it (ie) say if my pinNumber is 1234 and mask it with four asteriks symbol instead of showing the numbers. We can hide the last four digits of a credit card number with an asterisk in Python. Improve this answer. asked Jun 17 System. Basically what I need to update this to is this add the same number of X's and keep the last 4 digits. What does "use strict" do in JavaScript, and what is the reasoning \D*\d - Match zero or more non-digits and a single digit. Hope this makes sense. Divide the int by 10^n. Mask Phone number with brackets and spaces Java. I have searched for a solution but a lot of the posts are saving the last4 digits AFTER a charge, and pull the information from the charge like: The simplest implementation would start off with an <input type =password> and while input is going into that you also write the values into a <input type=text> that is hidden then when then user is done entering values change all the characters except the last four to *s and show that box and hide the password box. This will skip any consecutive digit coming after that. //In case of (-)ve numbers. Currently it is showing the number of digits in the number, which is what im trying to hide. I want to pass the keys dynamically, so in function a I want to mask these fields, but in function b different I like the above solution to mask using reflection but wanted to extend same for other field types and saving masked field to unmask again. currentTimeMillis(); // Here we format the result to force 4 digits starting with a 0 // if the long is shorter than 4 digits long (i. char[] buffer = new char[3]; int length = word. Substring(creditcard. Mask credit card number except With this code I am able to mask the last 4 digits of all kind of numbers in my table to ####. Stripe: Getting Credit Card's Last 4 Digits. replaceAll() This example mask Credit Card Number (Except last 4 Digit) from a Text which contains information along with Credit Card Number. Explore masking of sensitive information for protecting user privacy we’ll investigate how to mask email addresses and phone numbers in Java. For Example: I have property name and value as TicketNumber = 0005234567891234. stringToValue(String) and passing that to the first function). You need to iterate your string from the end in order to find the last four digits and place them in result as they are. Modified 6 years, 10 months ago. Thank you! Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Cast the integer to a string and get its last two characters. zero'ing all other bits. Expand Post. 4. I have the function which masks credit card numbers in String: You are asking for 4 digits, then up to nine digits, and another 4 digits - and thats what you have in the "failing" case. I need the 4 digits appearing in any part of the string. Using Plain Java. I'm new to angular material and angular js, my knowledge is limited only to md-input password yet where all characters are hidden or replaced with "". Ixxxa Axxxxxxxa Nxxxh Axxxxxa Sxxxh Axxxxxa Wxxxe I need to replace however many characters there are previous to the last 4 digits of a text field that contains bank account number. length() <= 4) { return input; } int maskLen = input. Format without using Substring to pull out the last 4? EDIT: There's nothing wrong with substring. path = path. ly/2neWfJ2 // Define the function 'mask' to mask part of a credit card number. How Can I dynamically mask all digits except the last 4 always? Hot Network Questions Front derailleur clamp screw sheared - removal How to get last 4 digits from noteline1(guys have already answered)? Or do not know how to displaythis value on GUI? – alex. How can I do that? Is there any reusable java library to do that? I want to create a text field that only allow to enter eight digits (each digit should be either 0 or 1) E. Anyway when you use substring, you create a new string. Ask Question Asked 10 years, 6 months ago. if it is "cardNo":"10929291929312911131" then it should be logged as "cardNo":"XXXXXXXXXXXXXXXX1131. Viewed 61 times Use regular expression to mask last 4 digit in Java. Jen Hoehn (Member) 5 years ago. When I insert that value into a a sql server table, I am getting a different value. def showLastDigits(string, numOfDigits): result = [] counter = 0 for i in range(len(string)-1,-1,-1): if string[i] == ' ': result. Some strings have characters after the 4 digits (but not all) Hi All, I have a requeirement where I need to extract the last 4 or 6 digits of a numeric string. Regex to extract four digits using Java Pattern . Use # to include a digit from the * card number at that position, java; android; xml; Use regular expression to mask last 4 digit in Java. regular expression for date format in javascript. java The last two bits can be obtained by doing x % 4, or by doing x & 3. The replaceAll() function replaces each matching substring If we work with Java 11 or later, we can use repeat() to solve the masking problem: String maskByRepeat(String input) { if (input. format(DateTimeFormatter. ){1,3} - Close 2nd non capture group and match it 1 to 3 times. Matcher; import java. Say i have number 123456789. regex to mask certain field. length() - 1]; return last; } Question: Following code demonstrates how CC number can be masked on all digits but last four. I hope that you are transforming these data on server side, before giving it to the frontend, because it could be a problem regarding security. For instance, let's assume that the ssn that I am grabbing is 123456789, in Oracle, I get 6789 which is correct. println(Year. length()]; int last = guess[temp. Syntax grab last four digits approach after deleting non digits using regex. – jabaa. How to generate string mask with various numbers of symbols? 3. The rest of the number need to be displayed as an #. Suppose a value is 12345678997 and I want to output as *****8997, that means all leading digits will be masked by * except the last 4 digits I have very little experience in Java, so I was wondering if someone might be able to help me write a function that will place an x in place of the first 5 digits of a SSN and then show the remaining 4 digits. Hot Network Questions How can I show and hide the last 4 numbers of a phone number by replacing it with something like 949XXXX and when you click on it show the rest of the numbers? I just want to do this with jQuery/ We can mask the first characters in the telephone number or any string and show the last 4 characters. This masked value will be shown in a webpage using a jsp. append(string[i]) elif string[i]. Masking Email ” that captures three groups: the plus sign, the A working Excel VBA Function example that will mask the SSN anywhere within a string of text leaving the remaining 4-digits unmasked. Regex to mask characters except first two digits in Java. Except + as you said. 3. you can get the last four digit of a number in oracle by using simple substr function Let's say, for common security measures, you want to display only the last four digits of an identification or Social Security number, credit card number, or other number and replace the rest of the digits with asterisks. EDIT. The additional options are: Do not mask last 4 digits of SSN. ofLocalized in java. int i = 123456789; int n = getDigitCount(i); int r = Math. matches(). Follow answered Jun 28, 2015 at 6:49. So it would look like this. This is just one little example out of very many where the new The numbers I want will be the only ones with 4 digits and will always come after the company_id: part. length() - 3); If you actually want them as a character array, you should write. example: phone=9988998888~7654321908~6789054321 Desired output : Java Regex to mask alphanumeric string and show last 4 digits. How to replace characters except last with a mask character in JavaScript - JavaScript has a built-in function called replace() that can be used to replace characters in a string. In Java, I want to write a regular expression to do the following: source string: abcdefg output string: ab***fg source string: 123456789 output string: 12*****89 source string: a123d output stri If you just need the last 4/ n digits -> use Right(DataField, 4) this will give you the last 4 chars in your string. ofPattern("uu"))); I am using java. Regex to mask multiple phone numbers (~) So the masking value would be XXXX XXXX XXXX or **** **** ****. valueOf(b); System. Use regular expression to mask last 4 You can hard code "*" in the beginning and extract last 4 digits of credit card num from sqlite and display on text view. Function ssnMask(ByVal strInput As Variant) As String Dim regEx As New RegExp Dim strPattern As String Dim I am trying to find a regex which masks phone numbers except last 4 digits. Commented Aug 14, 2019 at 19:22. Mask credit card number except first and last four digits on user input. . $ - End string ancor. For the rest of the digits, you can place a X mark:. I jmeter i need to extract last 4 digit of the response Example Response: 16789006328208"}} I need to extract 8208 My right boundary is dynamic and left boundary "}} is constant Please provide Use regular expression to mask last 4 digit in Java. org specs and the official website Angular, do not prevent the user from adding more numbers. I have an idea how to display the first digit: But it won't generate 4 digit numbers like 0004,0035 and so on I searched for similar questions but none solved, they were different from what I need, if there's already an existing question please let me know. Create annotation @MaskedField We need to find out whether account number entered or not in comments and if yes need to mask that with only showing last 4 digits. How to get last4 digits BEFORE submit the data with Stripe. Note: You must add "Microsoft VBScript Regular Expressions 5. This is meant for your Two additional options are available when you select Mask SSN, EFIN, PTIN on Client and Preparer Sets. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertisements Reach developers & engineering world; Laboratory The future of collective knowledge sharing; About the company Will work for any format provided the last four digits are contiguous. toString(). Lately, I have been completing a coding challenge a day with codewars. Match the 4th number in a string using a regular expression. valueToString(Object) doesn't work like you hope (you can however validate by calling MaskFormatter. Length - 4) + creditcard. Length - 4); Using substring to validate last 4 digits of a textbox C# (vb6 Right function) 0. Let’s get the last 4 digits of our card number, which is currently a string, with the help of the slice Im attempting to get this function to return a masked number. Using slice() and repeat() Methods. k. answered Jan I want to mask all but the last 4 digits of cardNo value coming in the request while Logging. here we are assuming that we want to display the last 4 digits out of 10. The SSN will come from a field named TIN. Modified 1 year, 11 months ago. (For context, I want to show users which card they have stored using Stripe for future payments - this is not a subscription service). "Hi, my account number is **** **** **** 2345 and I'm great. For I found a few site on here that relevant but doesn't remove dashes/spaces. getElementById ( 'EditRecordCCNumber' ); account . Regex expression to match the first digit of Your regex still "matches the last 4 digits before an A" – Eric Duminil. The second is generally the fastest at runtime, and the preferred method for doing bit manipulation. Need a regular expression To replace digits of a number with '0' after 6th digit and before last 4 digits. out. Modified 7 years, 10 months ago. android; android-edittext; Share. \D*\d - Match zero or more non-digits and a single digit. include exactly 5 stars in the middle of the email username to mask the length. Follow answered Jan 5, 2016 at 0:59. However, there could still be more digits before the first-matched digit. Regards, Chris If the length is more than 8 then mask the first and last portion of the string such that only the mid 5 characters are visible. substring(0, path. -1] method as it will throw java. Edit: The mask plugin assumes that there is one, or finitely many, correct formats for the field. Follow edited Jan 1, 2016 at 17:05. If there are less than 4 digits then add some more X's. Example Mask mobile 6 digit with * n show last 4 digits in EditText Android. For eg: in comments if the user entered like this "act no for Case ID 01 1234567789" Result should be: act no for Case ID 01 *****7789 Function java code is -> Input I would like to format a 3-digit integer to a 4-digit string value. What I want is that the input stops in 4 Java Regex to mask alphanumeric string and show last 4 digits. This masking is generally seen in financial applications where we want to mask the account number or SSN to avoid displaying the NPI (Non-public personal information) data. Add a comment | Your Answer. Ask Question Asked 7 years, 2 months ago. Ask Question Asked 9 years ago. x % 4 is remainder after division by 4, which is a number 0-3, as represented by the last two bits. Commented Dec 7, 2021 at 10:45. Regex match should be 1 or 2 digit but not zero with single digit in date format. I think you want to remove the last five characters ('. The code is: int x = 123456; int lastDigits = x It may seem a bit unwieldy but since a credit card should have 16 digits I opted to use negative lookaheads to look for an x amount of non-digits followed by a digit. Use slice() to get the last character of the string and repeat() to mask the rest of the characters. If we need to mask the data in the log files, then consider using the inbuilt Use regular expression to mask last 4 digit in Java. Input: 5425 2334 3010 9903 I've been attempting a coding exercise to mask all but the last four digits or characters of any input. const fullNumber = '+6595002481'; const Didn't know that. India Australia North America South America White House building I need an output like below. isdigit() and Use regular expression to mask last 4 digit in Java. like . Sharing with you my solution to display only the last 4 digits of the credit card information in Details Page. Follow asked Aug 21, 2014 A regular expression that allows you to match any numbers but the last x digits (last 4 digits in this regex) in a string. pow(10,n)); //r stores result. I need no genarate numbers like 1485 and 0180, not only numbers starting with 0. In this example I am going to show you how to replace all numbers by a particular value or show only last 4 I need to define the last digit of a number assign this to value. Hi all, I need to mask Bank Account numbers except the last 4 digits using sqr reporting. Partially mask email address - javascript. In Java, the java. toString() method on the number then substring the number you want. as it happened to me several times to check string size before performing the [-2. XXXXXXXXX0123 XXXXXX4321 Is there a way to make it mask all the numbers but the last 4 using String. Pattern every time you call it, then match your string with that pattern, creating a regex Matcher and an ArrayList before the String[] that is returned. I would like to mask the last 4 digits of the identity number (hkid) A123456(7) -> A123***(*) I can do this by below: hkid. Example AccNumber : 123400012341234 Output result should look like 12340001234XXXX the last 4 digits should be Skip to main content. ) - Close negative lookahead. That means that only last 5 digits will be kept. Learn how to get last 4 characters of a String or simply any number of last characters of a string in Java. 11. Android phone If you're bad at regular expressions, don't use them :) I don't know if you've ever heard the quote: Some people, when confronted with a problem, think "I know, I'll use regular expressions. I'm just looking to see if there is a simple formatting string to Use regular expression to mask last 4 digit in Java. By masking will hide initial 6 digits and show only last 4 digits. " I want to mask first 12 digits as * on "onkeyup" event and leave next 4 digits as it is. Wasn’t Apple Pay supposed to mask my credit card number and instead show the last four digits of my device account number? Share Add a Comment. value . replaceAll("\\d{3}\\(\\d\\)", "***(*)") The simplest solution for masking a string except the last N digits is using the regex with String. Then you can use a modular mathematic - you can the number convert to the module with base 100 000. Account number may have more than 9 digits. The plugin is there to ensure that your input will only be in one of those formats. Here considering, account number of length 10 digits. Regex Pattern for String at least 4 characters containing a specific character at the end of String. // create 4 less x's than the credit card length. * * @param cardNumber The card number in plain format * @param mask The number mask pattern. How are regular expressions used in We have various documents that generate from our AS400 system that include customer bank account details. For example, my account number is 1234567890 than after mask will display as I am having difficulty of creating a method to display first n digits of a number when 'n' is determined by the user. Hot Network Questions Data weave code . So, you should not break. Edit: As @Tushar pointed out, the formerly regex [1-9]{4} was wrong as it did not allow any zeros. Of course you'll need to prettify it with some css :) Here is an alternative way. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Learn how to get last 4 characters of a String or simply any number of the last characters of a string in Java. To get a substring having the last 4 chars first check the length of the string. The below function is masking first 12 digits but all at once on "onblur" event. This way you'll be able to hide most of the number and show only the last 4 digits. catch32. You may also want to show or display only last 4 digits instead of showing all digits or hiding all digits. // then append that to the last 4 characters of the credit card new string('x', creditcard. Follow answered Jun 17, 2013 at 10:11. Commented Feb 19, 2016 at 16:26. Input : 11111111111111 Output : 11111100001111 Input : 1234567878789999 Output : 1234560000009999 Use regular expression to mask last 4 digit in Java. Ex. Regex - I need to replace all digits but specific 3 digits numbers. Obtain data from a user (name,number) In a loop check number against regular expression for each card ; If number matches regular expression; Mask What if there are less than 4 digits? – Oriol. You try to access Group 4, but there is no capturing group defined in your regex. Can anyone please advise? For instance, 1234567890 - should be showing as XXXXXX7890 The positive lookahead insures that there are at least 5 digits ahead of the just-matched digit, while the embedded negative lookahead insures that aren't more than 22. So you might want to make sure you won't get a one-digit integer. JavaScript I have to do a supermarket app in Java for a class, one of the many requirements is that when a purchase is being made it asks for the credit/debit card data, and when the user fills the credit card number field it only displays the last four digits, something like XXXXXXXXXXXX1456 Your input is eight digits, but your format expects five digits, a dash and then three digits. repeat(maskLen) + In this example I am going to show you how to replace all numbers by a particular value or show only last 4 digits of the cards. Is it possible to mask the first 4 digits in a merge formatting switch so that, instead of the field showing as 01234567, it shows as xxxx4567. Viewed 24k times 1. replaceAll() function. Pattern: Defines the regex pattern. Regex number range. How to extract a number from string using regex in java. The following example demonstrates Learn how to get last 4 characters of a String or simply any number of last characters of a string in Java using string substring() method. I want to display a mask in a text field. Also, MaskFormatter. Paste this in the Footer: <script> var account = document . 1. The expression starts by taking the current value ("$"), then performs a replace based on the provided regular How to mask SSN in a string ? I am have the following scenario string str1 = "asdasfasdfasdf sfhagfdad SSN:123456789"; my required output "asdasfasdfasdf sfhagfdad SSN:*****" I tried the I want to do same thing but leave the last 3 digits of the SSN string – David Champion. substr ( account . Besides, you can't access match groups before actually running the matcher with Matcher#find or Matcher#matches. Javascript date pattern. 2. Viewed 18k times 3 . Remove the last digit from a String. Hot Learn to mask a string or number with a mask character except by displaying the last 4 characters at the end. After this, return the last digit. " Javascript REGEX to find credit card number in string and mask. For example, there are only a few formats that credit card numbers come in. Then, you only need to select this field, and decrypt it on the client end (remember, you have to make sure payment card numbers are encrypted while going "over the wire" [a. For example, user inputs an integer '1234567' and a number of digits to display '3'. About; Mask the last 4 digit in an account number. We may need to get last 4 characters when we are dealing with customer sesitive data such as phone numbers or SSN. format("%04d", i % 10000); As far as I know there is no such native display format feature in ASPxGridView which obscures a string partially for certain first characters (a password mask is available but obscures all characters), however you can handle ASPxGridView. ; Matcher: Applies the pattern to a string and I have a requirement where I need to store only last 4 digits of credit card, expiry date (As per PCI Complaince). ArrayIndexOutOfBoundsException: Negative array index [-2] too large for Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Mask Phone Numbers example give how to mask phone numbers using replaceAll in Java. Let’s assume that we have a credit card number in a 16-digit standard format, and we expect the output to be as follows: Input: 60115564485789458 Output: *****9458. 122k 38 38 gold badges 205 205 silver badges 314 314 bronze badges. Example: int a = 800; String b = "0800"; Of course the formatting will be done at String b statement. Thanks guys! and I am getting the correct value of the last 4 digits. You can use Use regular expression to mask last 4 digit in Java. util. Viewed 2k times Part of Mobile Development Collective 0 . Viewed 7k times (SSN_C,4) which should get the last 4 digits and display it in your layout. Integer number = 12345; String[] places = ArrayUtils. Regex to get 2 digit-numbers not immediately preceded and followed by a character in java. Hot Network Questions Exercises on QFT in curved spacetime I need to define the last digit of a number assign this to value. uitl. Follow edited Mar 6, 2019 at 21:41. About; Products OverflowAI; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Long i = System. length()-2)); This works only for integers with at least two digits though. Modified 10 years, 4 months ago. How to i mask all string characters except for the last 4 characters in Java using parameters? 0. What I cannot do is to apply this masking only those numbers which are 8 digits or more long. Would appreciate any help. Suresh Atta Suresh Atta. Like, The regex will replace the last 4 numbers it finds - if you apply it in something like 1234-123-123456 it will match on 1234 as well as 123 as well as 1233456 and for all replace the last 4 numbers. var cardNumber = '4761640026883566 Java Regex - mask credit card number. This would now mask any digit other than the third and last three regardless of their position (due to delimiters) in the formatted CC-number. length - 3 ). Being able to see other solutions expands my mind for Question: Digits &texts Masking in java programing write a java programming to mask email address and phone number Email address masking: Only show the first and last characters of the username tomponent of an email address, along with the email domain name. length() - 5); Note how you need to use the return value - strings are immutable, so substring (and other methods) don't change the existing string - they return a reference to a new string with the appropriate data. String new_word = word. Obtain absolute value of the result. (?! - Negative lookahead (?: - Open 1st non capture group. abs(i / (int)Math. Al Al Al Al. Regex to match any number unless it is part of a specific string. join ( 'x' ) + account . length() - 4; return "*". Mask part of the String data which is of different lengths using Java. substring(bStr. Count number of digits int the integer. time – Need to mask only 14 digit Credit card number and pin using regular expressions import java. Do not mask depositor account number on Form 1040 Use an unbound text box control in the form with a ControlSource property of: ="*****" & Right([SSN],4) It won't be possible to edit this, of course, or input a new SSN into the control in a new record in the form, but you could get round this by superimposing the unbound control on top of a bound control with [SSN] as its ControlSource. mask part of a string using regular expression. And you'd require this method: I am using java Gson lib, please help me to do that. 5" as a Reference (see Tools/Reference) for this to work. I know we can do this using java sub-stringa nd iterating over the string, but want to know if there is any other simple solution to address this. a. The method then outputs '123'. New This includes a text string in the format “Visa 1234” showing the last four digits of the physical card number. your LAN or WAN or internet connection]). I am new to this j query and java script thing. Thanks, -Glenn If using the modern java. Soham. java regex: finding a pattern of one character s follows by 5 digits range 0-9. Masking All Digits Except Last Four. split("")); // Then you address the numbers by getting the nth index // So the last number is the 0th index (places[0]) // Don't Will replace all numbers after the 4th character with `X', so a full example would be: SELECT SUSBTR(PhoneNumber, 1, 4) || REGEXP_REPLACE(SUSBTR(PhoneNumber, 5), '[0-9]', 'X') AS Masked FROM T; Example on SQL Fiddle. Need to mask mobile number using regex. matches(regex) yields exactly the same I have an eight-digit number (20150613), I just want to display the last 4 digits like 0613. qkyrzn hmfpfg dui wsq smtw rhvhxcr nmfsrtwo lrtrq djiqibjs zrikgjk