
AppTools Regex Tester
7.4#1 in regular expression testersFree planFree planAndroidiOSWebLinux
Visit

| Fact | AppTools Regex Tester | regex101 |
|---|---|---|
| Purpose | Regex Tester checks and debugs regular-expression patterns in a browser. | regex101 is an online tool for building, testing, and debugging regular expressions. |
| Regex flavors | The listed flavors are JavaScript, PCRE (PHP), Python and Go. | The editor lists PCRE2, JavaScript, Python, Golang, Java, .NET 10.0, Rust, POSIX ERE, POSIX BRE, and legacy PCRE support. |
| Support | The site provides a global support contact by email. | Support includes community discussion, a public issue tracker for reproducible bugs, and email for account, purchase, or private support. |
It suits developers and other users who need to inspect patterns while working with text, logs, or datasets. Its browser-based setup may also suit people who want to try regex tools without installing software or signing up.
regex101 suits people who need to build or debug patterns across several regex flavors and want explanations of match behaviour. Pro is relevant to users needing multiple test strings or the additional listed tools; Enterprise is an option for self-hosting.