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.

The latest JavaScript specification standardizes a well-balanced and thoughtful set of features, including the built-in ...

JavaScript’s RegExp object, which holds a regular expression, is what we need here. Regular expressions are a big subject, and there are plenty of FAQs on them on the Web.

That’s what [Low Level JavaScript] points out about regular expressions. Sure, a lot of people think they are scary. So why not write your own regular expression parser and engine?

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 ...

How to use the regular expression functions provided by the ‘re’ library to match, search, and replace text in your Python programs.

If you work with text, you owe it to yourself to learn regular expressions, and Patterns can help you do that--as well as figure out exactly what your search patterns are capturing.