Regex Tester
Real-time match highlighting ยท Group breakdown ยท Replace mode ยท Pattern library ยท Export
โก Real-time๐ฌ Explain๐ Replace
Performance Warning โ Catastrophic Backtracking Risk
Pattern contains nested quantifiers (e.g. (\w+)+) which can cause catastrophic backtracking on long strings. Consider using atomic groups or possessive quantifiers.
๐ Test String
227 chars ยท 4 lines
๐ Results
2Matches
2Unique
1Groups
16%Coverage
#1john.doe@example.compos 19โ3920chโผ
#2jane@company.orgpos 54โ7016chโผ
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