IconVault logoIconVault
Sign in

Regex Cheatsheet - Free Online Regex Reference Tool | IconVault

65 regex patterns grouped and searchable: anchors, character classes, quantifiers, groups, lookarounds. Click to copy. Free, JavaScript flavor, no signup.

All tools

Regex Cheatsheet

65 patterns, searchable, click to copy

5 of 5 free uses left

57 patterns - JavaScript (ECMAScript) flavor, tested with new RegExp. Click any pattern to copy it.

Anchors (6)

Character classes (13)

Quantifiers (9)

Groups and backreferences (6)

Lookaround assertions (5)

Flags (6)

Common recipes (12)

5 of 5 free copies left.

About this tool

IconVault's Regex Cheatsheet packs 65 essential regex patterns into one fast, searchable page. Every pattern is grouped by topic: anchors, character classes, quantifiers, groups and capturing, lookarounds, backreferences, flags, escaping and more, each with a plain-language explanation of what it matches.

Type to search the whole sheet instantly and click any pattern to copy it to your clipboard. The patterns follow the JavaScript regex flavor, and the page is free with no signup, running entirely in your browser.

Frequently asked questions

Popular searches

regex cheatsheetregex cheat sheetregular expression cheatsheetregex referenceregex quick referenceregex syntax referenceregex patterns listcommon regex patternsregex examplesregex symbols explainedregex metacharacters listregex anchors explainedregex character classesregex quantifiers explainedregex groups explainedregex lookahead cheat sheetregex lookbehind examplesregex backreference examplesregex named groups syntaxjavascript regex cheatsheetjs regex referenceregex flags explainedregex i flag g flag m flagregex dot all flagregex word boundary explainedregex escape charactersregex email patternregex phone number patternregex url patternregex date patternregex ip address patternregex password validation patternregex username validationregex hex color patternregex number patternregex whitespace patternregex start end stringregex or operatorregex optional groupregex greedy vs lazyregex non capturing groupregex alternation examplesregex shorthand classesregex unicode property escapeslearn regex quicklyregex for beginners referenceregex pdf cheat sheet alternativeprintable regex referenceregex pattern copy pastecopy regex patternsregex one linersregex cookbook patternsregex validation patterns list

More tools

Algorithm Visualizer

Watch sorting and searching animate step by step

Alt Text Helper

Write better image alt text with live feedback

ARIA Reference

Searchable ARIA roles and attributes guide

Array Visualizer

Step through map, filter, reduce like a debugger

Coming soon

CLI

Coming soon

Figma plugin

Coming soon

VS Code extension

Coming soon

Chrome extension

Coming soon

AI icon generator

Coming soon

Team workspaces

Coming soon

View all 10+ tools →