Regular expressions (or REGEX) are search patterns that can be used to check if a string of text conforms to a given pattern ...

Regex patterns help search text strings efficiently (e.g., emails, digits, specific sequences) using symbols. Excel provides predefined regex functions (REGEXTEST, REGEXEXTRACT, REGEXREPLACE) to ...

Quick: If you shout "regular expressions" in a crowd of Linux users, what happens? Answer: Everyone will tell you the right way to use them, and every answer will be different. Regular expressions -- ...

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 ...

Some say a set of regular expressions comprises a domain-specific language, or DSL; essentially, a mini-programming language. A full-blown programming language like Java or Python can do many things, ...

Regex is a powerful – yet overlooked – tool in search and data analysis. With just a single line, you can automate what would otherwise take dozens of lines of code. Short for “regular expression,” ...