regex101 comparisons
Freemium#1 of 23 in Regular Expression Testers
regex101 is compared head-to-head with RegexPilot, RegexStudio and RegexCraft and more: 7 head-to-heads in Regular Expression Testers, each with the specs and prices we checked.
9.8/10Editor score
regex1019.8
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regex101 head-to-head
- regex101 vs RegexPilot
- regex101 vs RegexStudio
- regex101 vs RegexCraft
- regex101 vs Debuggex
- regex101 vs RegexBuddy
- regex101 vs AppTools Regex Tester
- regex101 vs Regex Tester Pro
regex101 vs each of them
| # | Tool | Free plan | Paid from | Regex flavors | Pattern explanation | Step-through debugger | Code generation | Score |
|---|---|---|---|---|---|---|---|---|
| 1 | regex101 | Yes | — | PCRE2 (PHP), JavaScript, Python, Golang, Java, .NET, Rust, POSIX ERE, POSIX BRE, PCRE (Legacy) | Yes | Yes | Yes | 9.8 |
| 2 | RegexPilot | Yes | — | JavaScript, TypeScript, Python, Java, C#, PHP, Ruby, Go, Perl, Rust, Scala, Kotlin, Groovy, Clojure, Elixir, R, Dart, Swift, MySQL, PostgreSQL, POSIX shell | Yes | No | Yes | 8.5 |
| 3 | RegexStudio | Yes | None | JavaScript, PCRE, Python, Java, Go, .NET, Rust, Ruby | Yes | Yes | Yes | 8.2 |
| 4 | RegexCraft | Yes | — | .NET, PCRE2, JavaScript, TypeScript, PHP, Python, Java, Ruby, Go, Rust, Perl, Kotlin, Swift | Yes | Yes | Yes | 8.2 |
| 5 | Debuggex | Yes | — | JavaScript, Python, PCRE | Yes | Yes | Yes | 7.7 |
| 6 | RegexBuddy | No | — | 94 flavors, including PCRE, PCRE2, .NET, JavaScript, Java, Perl, PHP, Python, Ruby, Boost, RE2, ICU, and POSIX BRE/ERE | Yes | Yes | Yes | 7.3 |
| 7 | AppTools Regex Tester | Yes | None | JavaScript, PCRE (PHP), Python, Go | Yes | Yes | — | 6.8 |
| 8 | Regex Tester Pro | Yes | — | JavaScript, Python, Go, Java, PCRE, .NET | Yes | — | Yes | 6.7 |
Compare regex101 with any regular expression tester
These are the matchups our editors wrote up. The compare tool pairs regex101 with any other product in Regular Expression Testers — and up to four at once — from the same checked specs.
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Compared by iTechGuides Editors · Editorial team · Updated Sep 2026
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