Regex Cheatsheet

Browse and copy common regular expression templates.

Use this page to browse common regular expressions. It focuses on common matching scenarios and produces copyable regular expressions.

How to use

Prepare common matching scenarios and paste, upload, or enter it as requested by the page.
Adjust the available options, then run the process, conversion, generator, or lookup.
Review copyable regular expressions, then copy, download, or continue editing the result.

Examples

Typical use

Input

Email, URL, IPv4

Output

Shows matching regex templates.

Privacy

Processed in browser Input not stored Review sensitive data

The input is mainly processed in your browser, and the page only uses browser capabilities needed to generate the result.

Frequently asked questions

Use common matching scenarios as expected by this page. If validation fails, try a smaller sample and check encoding, separators, file type, or expression syntax.

The usual causes are input format issues, browser support, or option settings. Verify the workflow with the sample first, then replace it with your own data.

You can copy ordinary results, but review critical fields and edge cases before production use, official submission, financial calculation, or publication.

Next steps

Related tools

After finishing this task, continue with these related tools.

MIME Type Lookup HTTP Status Code Lookup User-Agent Generator Regex Generator