Crate

regex

Regular expressions for Rust — fast, safe, linear-time matching.

What it is

regex is the standard regular expression engine for Rust. It guarantees linear-time matching with no backtracking by using finite automata, making it safe against ReDoS attacks on untrusted input. The API supports search, capture groups, replace, and splitting.

Why it is commonly used

Used for text parsing, log analysis, data extraction, input validation, and pattern matching. The linear-time guarantee makes it appropriate for server-side code where input comes from untrusted sources.

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1.1k
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Browse 1212 repositories using regex in Repos →
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