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.

If you're new to the topic, we have a great regular expression tutorial. Here are four regular expressions (often called regexes) that all validate the format of an email address.

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 ...