This handy method using Java validates if a U.S. social security number represented as a String is valid or not. Some format examples can either be 879-89-8989 or 869878789 and many others. This method uses a REGEX expression for validation with the following details:
^\\d{3}: Starts with three numeric digits.[- ]?: Followed by an optional “-“\\d{2}: Two numeric digits after the optional “-“[- ]?: May contain an optional second “-” character.\\d{4}: ends with four numeric digits.
Check the code below.
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public static boolean isSSNValid(String ssn) { boolean isValid = false; String expression = "^\\d{3}[- ]?\\d{2}[- ]?\\d{4}$"; CharSequence inputStr = ssn; Pattern pattern = Pattern.compile(expression); Matcher matcher = pattern.matcher(inputStr); if (matcher.matches()) { isValid = true; } return isValid; } |
