Match · highlight · explain

🔍 Regex Tester

Write a regular expression and watch the matches light up inside your own text. Each symbol of the pattern is explained in plain words, and capture groups are listed by number and name.

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Giải thích mẫu

Test text

Highlighted result

Matches

Toggle flags on the right. With the g flag every match highlights; capture groups (numbered and named) appear under each match. Hover a line in the explanation to light up that part of the pattern; a quantifier (+ * ? {n,m}) is shown on the same line as the part it repeats.