The Perl Regex Tutor shows you what a pattern will match against a string you provide. Start by entering a regex and some input in the boxes below and clicking the run button.

Regex:

Input:

Case-insensitive

Result The matching part of the input appears in bold. Spaces are shown as ⋅. Capture groups are highlighted. R e g e x ⋅ T u t o r Capture groups You may turn capture groups on and off by clicking on the colored boxes.

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