I was involved in a recent discussion on the "best" way to remove a given parameter from a URL string. The conversation began with using string primitives to split and join the parameter, a method ...

A quick run down on how you can use regular expressions in your own programs to give you more power over searching and substituting text. Perl has long been an extremely popular choice for text ...

How to use the regular expression functions provided by the ‘re’ library to match, search, and replace text in your Python programs. Regular expressions, or “regex,” is a system for finding complex ...

Regular expressions are a big subject, and there are plenty of FAQs on them on the Web. As far as JavaScript is concerned, though, you need only set a variable equal to a specially formatted series of ...

A regular expression is a way of describing a piece of data by what it looks like. In this case, I'm looking for any IdentityReference that has “admin” anywhere in the value. But there's much more to ...

I have to admit that I've never really understood regular expressions. But if there was any reason that I was going to learn to use them, it would be when doing searches in Visual Studio. For one ...

Bash has quietly made scripting on Unix systems a lot easier with its own regular expressions. If you're still leaning on grep and sed commands to get your scripts to do what you need from them, maybe ...

This article explains what regex (or regular expressions) is and how to get started using it with web crawlers, plus some interesting real-world use cases. One technology skill that is too-often ...

A more general solution is to use RegEx (regular expressions) to define a pattern that meets your desired requirements. Regular expressions are as complicated as they are powerful. They can be very ...

From validating IP addresses to phone numbers, these are some of the handiest expressions in Boe's PowerShell toolbox. What are yours? As this article states, I want to show some of the regular ...