Regex Tester

Test up to 50 regex patterns against sample text by API: all matches with indexes + named groups, plain-English pattern explanation, ReDoS…

What counts as one tested pattern

One regular expression tested against the sample text with matches, groups, explanation and ReDoS warnings. Invalid patterns are recorded free.

Call it from code

curl -X POST \
  "https://api.apify.com/v2/acts/eliai~regex-tester/run-sync-get-dataset-items" \
  -H "Authorization: Bearer $APIFY_TOKEN" \
  -H "Content-Type: application/json" \
  -d @input.json

The input fields are on the store listing. Results come back as JSON rows.

Price $0.0005 per tested pattern Apify free-plan rate, read Oct 23, 1:24 PM ET. Billed by Apify; paid plans pay less. The listing is the final word. Open on the Apify Store

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