The follow snippet is a function I use to validate email addresses.It is a very simple function which uses a regular expression pattern match to test if a email is of a correct format. This takes in a parameter of the email address and then runs a pattern match against the regular expression.
The third parameter is a Match Evaluator delegate that represents the method that processes and replaces the matched text.
The regular expression pattern is interpreted as follows.
Here is the code to validate email address in Java Script using regular expression.
: Finally, the email address must end with two to four alphabets.
Instead of using a regular expression to validate an email address, you can use the System. Compile To Assembly method to include this regular expression in a regular expression library.