Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C

Lua Pattern Tester: build, test & debug lua patterns

Like regex101 for lua patterns

A neat, little, single header regex library in ANSI C with zero dependencies.

Regex visualizer

Modern text pattern matching to replace regex

Modern text pattern matching to replace regex

Playground for testing Promtail regexp expresssions and time parsing. You should only need to fiddle with the constants when running this locally, which is a lot easier and quicker feedback than updating promtail.yaml config files and waiting for logs to reach Loki

I wanna stay up late tonight for a party so I stayed up late yesterday “so I would sleep longer on Saturday morning and not be so tired at night” but of course I woke up super early (eye mask helped zero percent) and in my sleep deprived state I apparently hacked PHP.

I don’t even have php-mode installed, I had to go fundamental in this 🐝.

This page collects resources about implementing regular expression search efficiently.

In this book, you won’t just see how to use regex in a regex testing tool like regexpal or regex101. You’ll also see how they works in JavaScript. This is what many courses and tutorials tailored for regex in JavaScript lack. As you see how they work using a regex tester, you’ll also see how they work in JavaScript.