What regex flavors are supported?

NexaTools Regex Tester uses JavaScript RegExp — compatible with most modern regex syntax.

Can I test regex with flags like gi?

Yes — you can set global, case-insensitive, multiline, and other flags.

Yes — all capture groups are highlighted and displayed separately.

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Write and test regular expressions with live match highlighting, group capture display, and real-time feedback — all in your browser.

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