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15-Jan-2017 02:53

Regular Expressions are supported by many languages.

Sun added support for regular expression in Java 1.4 by introducing regex package.

So I updated the Java regular expression to validate email address.

I am pretty sure that the following Java regular expression will validate any email address.

So we will use case insensitive flag to create the pattern object.

Taking all these into account some valid email addresses are: Email ID [email protected] valid?

*/ public static boolean is Numeric(String number) This example demonstrates how easy it is to validate email address, SSN, phone number in Java using regular expressions.

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There may be more usecase but that’s not point of discussion here. validating email address in java using regular expressions.In this post I thought I’d share the source code for my Java email address validator class. I wrote it a long time ago, and I think I created it because Java’s class wasn’t properly validating email addresses at that time. String Tokenizer; /** * A class to provide stronger validation of email addresses. :) * */ public class Email Address Validator package; import junit.framework.*; import :) */ public class Email Address Validator Tests extends Test Case Sorry, I don’t have the time to deeply describe this code, but I hope the unit tests give you a good idea of how to use the email address validator.For instance, I think it would allow the string “fred” to be a valid email address, but on the internet you really want to see something like “[email protected]“. In this post I’m including the source code for my package; import internet. Email Address Validator; /** * A class to test the Email Address Validator class. In summary, if you were looking for some Java code to help you validate email addresses, I hope this is helpful. If this type of address is undesired (and it usually is), then some extra validation will be needed.

Example Here's a class that validates email addresses through the static method © 2017 Hirondelle Systems | Source Code | Contact | License | RSS Individual code snippets can be used under this BSD license - Last updated on September 21, 2013.*/ public static boolean is SSNValid(String ssn) /** is Numeric: Validate a number using Java regex.