Which regex flavors are supported?

The explainer covers standard JavaScript/PCRE regex syntax. Advanced features like lookbehind assertions, named groups, and atomic groups are noted as-is.

Can I test my regex here?

Use the Regex Tester tool to test patterns against sample strings. This tool focuses on explaining what each part of the pattern means.

Are flags like i, g, m explained?

Yes. If you include flags after the closing slash (e.g., /pattern/gi) the tool explains what each flag does.

Regex to English

Explain a regular expression pattern in plain English.

Regex pattern

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FAQ

Which regex flavors are supported?: The explainer covers standard JavaScript/PCRE regex syntax. Advanced features like lookbehind assertions, named groups, and atomic groups are noted as-is.
Can I test my regex here?: Use the Regex Tester tool to test patterns against sample strings. This tool focuses on explaining what each part of the pattern means.
Are flags like i, g, m explained?: Yes. If you include flags after the closing slash (e.g., /pattern/gi) the tool explains what each flag does.

Enter a regex pattern and get a plain-English explanation of every token. Covers character classes (\d, \w, \s, .), quantifiers (*, +, ?, {n,m}), anchors (^, $), groups (()), character sets ([]), alternation (|), and flags. Useful for understanding patterns written by others.