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post/dev-utils/v1/regex_test1 credit

Test a regex against text: matches + groups + named groups, optional replace. User patterns run with a hard 1s timeout (ReDoS-guarded) + size caps.

Working example

Parameters

patternrequired

inputrequired

flagsoptional

replacementoptional

max_matchesoptional

request preview

curl -X POST https://api.reefapi.com/dev-utils/v1/regex_test \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"pattern":"(\\w+)@([\\w.]+)","input":"mail [email protected] now"}'

Hit Send to run this endpoint live.