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Regex tips you can still read

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Regex tips you can still read

Patterns that pull text out without summoning demons.

Lookahead and Lookbehind regex

Adrian Gonzalez

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0 responses · ruby, regex, regular expressions, pattern matching

Regex to parse your default nginx access logs

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2 responses · python, regex, nginx

Searchable RegEx Cheat Sheet

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0 responses · regex, linux, cheatsheet, bash

Replace double quotes with single quotes in Vim

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0 responses · regex, vim, search

RegEx to find <img/> tags missing alt attributes

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4 responses · html, regex, grep, regular expression

Ruby: make plain text links clickable

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2 responses · ruby, regex, rails, uri

Splitting string containing letters and numbers not separated by any particular delimiter in PHP

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0 responses · php, regex, string

Regex to match GitHub’s Markdown code blocks

Gonçalo Morais

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3 responses · regex, markdown, js, javascript

RegEx to find a line containing certain words

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0 responses · regex, find, regular expression, replace

Regex Full URL -> Base URL

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1 response · regex, url, javascript, base url

Scala pattern matching with regex is awesome

Jeroen Rosenberg

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1 response · scala, regex, pattern matching

Regular expressions for pros

Matthias Mullie

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0 responses · php, regex, regular expressions, pcre

Negative lookbehind regex search (in Sublime Text)

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0 responses · sublime text, regex, negative lookbehind

Postgres, Rails, and Regex's

Jesse Wolgamott

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1 response · rails, regex, postgres

Bash: regex greediness trick for complex enclosing patterns

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0 responses · regex, greediness, bash

Find files on Linux with... find

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0 responses · regex, find, linux, regexp

Denying groups using regex

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0 responses · regex, regular expression

Regex Validation In Php

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0 responses · regex

Front-end web development tricks in Vim: Uncompress HTML

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3 responses · regex, vim, tags, css3

List the modified files on your repository

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0 responses · regex, sed, grep, git

Testing almost any code in browser

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4 responses · jquery, ruby, python, clojure

Positive lookbehind and lookahead in Sublime Text 2

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0 responses · regex, search, sublime text 2, regexp

git log that excludes an author

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0 responses · regex, git, pcre, exclude

AngularJS Linkify Filter

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1 response · regex, angularjs, filters, coffeescript

Enforce minimum password length with Abide in Foundation

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0 responses · regex, jquery, foundation-5

Displaying tips 1 - 25 of 103 in total

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Find currency values and remove commas

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Temporary 503 in HTAccess

· htaccess, 503, regexp, regex

regex for HH:mm with first zero

Аспирин Хаостиков

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Newest Regex protips

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Coderwall Dev Community

Explore the all-time favorite tutorials, design patterns and engineering guides that thousands of readers keep sharing and coming back to, year after year.

These proven techniques, reusable code samples, programming tips and vibe coding habits earned their place through steady views and member likes.

Each entry here is still useful today, covering programming languages, frameworks and workflows that stay relevant long after they were first published.

Whether you're new to a tech stack or an experienced engineer refreshing your skills, start with the most useful tips our dev community members recommend and build on solid, well-tested coding knowledge.