DeveloperTools

Regex Cheatsheet

Quick reference for regex patterns.

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Character Classes

.Any character except newline
\dDigit (0-9)
\wWord character [a-zA-Z0-9_]
\sWhitespace
[abc]Character set
[^abc]Negated set

Anchors

^Start of string/line
$End of string/line
\bWord boundary

Quantifiers

*Zero or more
+One or more
?Zero or one
{n}Exactly n times
{n,m}Between n and m

Groups

(abc)Capturing group
(?:abc)Non-capturing group
a|bAlternation

Flags

gGlobal match
iCase-insensitive
mMultiline

How to Use

  1. 1Enter your data.
  2. 2See the result instantly.
  3. 3Copy the output.

What is Regex Cheatsheet?

Regex Cheatsheet is a free online developer utility that streamlines common development and DevOps tasks. From generating configuration files to creating test data, this tool helps developers work more efficiently. All processing happens in your browser with zero server dependencies.

Key Features

  • Instant processing
  • 100% client-side
  • No signup required
  • Privacy-first
  • All common patterns
  • Searchable
  • Examples

Regex Cheatsheet vs Other Tools

FeatureRegex CheatsheetOther Tools
Client-side processingYesVaries
No signup requiredYesOften required
Privacy-first (no data sent)YesRarely
Free & unlimitedYesOften limited
No ads interruptionYesOften no

FAQ

What are developer tools?
Developer tools are utilities that help programmers and DevOps engineers with common tasks like generating configurations, validating code, creating test data, and formatting output.
Are these tools free to use?
Yes, all developer tools are completely free with no usage limits. There is no signup required and no data is collected.
Can I use these tools in my workflow?
Absolutely. These tools are designed for developers and can be integrated into your daily workflow. All processing happens client-side for maximum speed and privacy.

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