Text UtilitiesTerminable Worker · Inert Text Preview · Cap 200,000 chars / 500 matches
Find & Replace · Regex Tester
Inspect JavaScript regex matches, named and numbered capture groups, Unicode code-point indices, and live replace previews inside a timeout-protected worker.
//gu
Flags:
0 / 200,000 chars
Match Highlights (Plain-Text Safe Render)
Evaluating in worker…Highlighted matches appear here as harmless plain text…Replace Preview
Match Details & Capture Groups
0 shownEnter a search pattern to inspect match ranges, UTF-16 vs Unicode code point indices, and numbered or named capture groups.