Side by side
RegEx Tester vs The Regex Coach
Both stand on regular expression testers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Choose RegEx Tester when you want a free browser tool to try patterns, inspect results, and work with captures or replacements. Its support for four regex flavors makes it useful for checking behavior across those environments. Look elsewhere if you need a platform beyond the web.
Visit RegEx TesterThe Regex Coach offers interactive inspection and explanation for Perl-compatible patterns at no charge. Its aging Windows release, unsupported Linux option and stated limitations matter for users needing ongoing support or reliability with longer patterns.
Visit The Regex CoachThe facts
| RegEx Tester | The Regex Coach | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Linux, Windows |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | Not published | Not published |
| Website | regextester.github.io | weitz.de |
| On regular expression testers | #19 of 23 | #15 of 23 |
RegEx Tester: what it does well
- Free and open-source web tool.
- Supports .NET, Node.js, Python, and Java regex flavors.
- Offers a range of regex options, including case and multiline settings.
- Includes capture display and replacement inputs.
- Source code is linked through the RegExTester GitHub organization.
What to know first
- Available platform is web only.
- The interface does not state a usage quota or trial.
The Regex Coach: what it does well
- Shows matches as patterns and target text change.
- Highlights captured groups and selected pattern parts.
- Explains patterns and displays parse trees.
- Steps through matching and simulates split and substitution.
What to know first
- No Mac version is available or planned.
- Linux release is unsupported and no longer maintained.
- Maker provides no warranty or promised older-system support.
- Long regular expressions may cause stack overflow.
Alternatives to RegEx Tester Alternatives to The Regex Coach The whole list