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

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,” ...

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 ...

Let’s say we need a JavaScript function that will take a string of tagged text (that is, it contains Extensible Markup Language (XML) markup) and return only the tags (and not the text that the tags ...

Google Analytics 4 has new filter match types. The match types allow for more customizable data filtering. Regex support enables complex pattern matching. Google Analytics 4 enhances filters with new ...