Side by side
Debuggex vs RegexPlanet
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.
Free plan Self-hostedWeb
Debuggex combines visual inspection, testing, and sharing for three regex flavors. Consider its expression visibility policy and free-plan limits if you need private patterns or library-based snippets.
Visit Debuggex Free plan Web
Choose RegexPlanet if you need a free web-based place to compare regex behavior across its supported engines, especially with the Java tester’s input and matching controls. Consider the maker’s security warning and the stated collection of browser and form data before entering sensitive content.
Visit RegexPlanetThe facts
| Debuggex | RegexPlanet | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | Not published |
| Runs on | Self-hosted, Web | Web |
| Lowest paid plan | Basic: $5 a month | Free or on request |
| Plans published | 4 | 1 |
| Maker | Not published | Not published |
| Website | debuggex.com | regexplanet.com |
| On regular expression testers | #3 of 23 | #7 of 23 |
Debuggex: what it does well
- Supports JavaScript, Python, and PCRE
- Unit tests check matches and subgroups
- Repository expressions include unit tests
- Shareable links reopen an expression
What to know first
- Free plan allows two tests per regex
- Free plan allows ten public expressions
- Library-based code snippets are excluded from free tier
- Linked expressions can be viewed by anyone with the link
RegexPlanet: what it does well
- Offers test pages for numerous regex engines.
- Java tester accepts replacements and multiple input strings.
- Java options include multiline and case-insensitive matching.
- Free public service accessible on the web.
- Status page reports the condition of each engine.
What to know first
- Malformed expressions may run indefinitely.
- Some engines or hosts may be susceptible to denial-of-service attacks.
- The privacy policy says form entries and browser data are collected.
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