Working with regular expressions I’m also going to cover how to work with regular expressions in JavaScript, though the concepts learned here apply to other languages as well.

A Perl module has a long regular expression based on the standard description of an email address. It's so long (nearly 6,500 characters!) that I won't include it here.

I'm trying to write a regular expression for a javascript function. I basically want to test the entire string to make sure the string only has alpha numberic characters and certain latin ...