# Regular Expressions
Regular expressions in Nushell's commands are handled by the `rust-lang/regex` crate. If you want to know more, check the crate documentation: "[regex](https://github.com/rust-lang/regex)".
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68dd3be0 (1st chunk of `book/regular_expressions.md`)
Title: Regular Expressions in Nushell
Summary
Nushell uses the `rust-lang/regex` crate for regular expression handling in its commands. Refer to the crate's documentation for more details.