Follow a 100-day sequence of machine-learning coding exercises in this repository.
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24 alternativeslearn-regex
Learn regular expressions through the examples and explanations in this repository.
About learn-regex
learn-regex teaches regular expressions through examples and explanations. It defines a regular expression as a group of characters or symbols used to find a specific pattern in text, matched against a subject string from left to right. Covered uses include replacing text, validating forms and extracting substrings, illustrated with a username validation example. The material is available in multiple translations.
Pricing is not clearly stated.
Key features
- Basic matchers for searching text
- Meta characters and the full stop
- Character sets and negated sets
- Repetitions with star, plus, question mark and braces
- Capturing groups, non-capturing groups and alternation
- Anchors, lookarounds, flags and greedy versus lazy matching
Best for: People learning regular expressions.
learn-regex at a glance
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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