Regex Tester

Test and debug regular expression pattern matches against sample string text in real time.

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Match Indexing

Lists total match occurrences, start character index, and substring length.

Regex Flags Support

Supports global (`g`), case-insensitive (`i`), multiline (`m`), and dotall (`s`) flags.

Instant Debugging

Validate complex pattern extraction rules before pushing to application code.

Evaluating regex pattern matches...

Total Matches Found

0

Pattern Match Breakdown
#Matched SubstringStart IndexLength

What is a Regex Tester?

A Regex Tester allows software engineers to compose, test, and validate Regular Expression (RegEx) patterns against test data strings.