# reverseString > Reverse a string.
## Usage ```javascript var reverseString = require( '@stdlib/string/reverse' ); ``` #### reverseString( str ) Reverses a `string`. ```javascript var out = reverseString( 'last man standing' ); // returns 'gnidnats nam tsal' out = reverseString( 'Hidden Treasures' ); // returns 'serusaerT neddiH' out = reverseString( 'Lorem ipsum 𝌆 dolor sit ameͨ͆t.' ); // returns '.teͨ͆ma tis rolod 𝌆 muspi meroL' ```
## Examples ```javascript var reverseString = require( '@stdlib/string/reverse' ); var str = reverseString( 'last man standing' ); // returns 'gnidnats nam tsal' str = reverseString( 'presidential election' ); // returns 'noitcele laitnediserp' str = reverseString( 'javaScript' ); // returns 'tpircSavaj' str = reverseString( 'Hidden Treasures' ); // returns 'serusaerT neddiH' ```
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## CLI
### Usage ```text Usage: reverse [options] [] Options: -h, --help Print this message. -V, --version Print the package version. --split sep Delimiter for stdin data. Default: '/\\r?\\n/'. ```
### Notes - If the split separator is a [regular expression][mdn-regexp], ensure that the `split` option is either properly escaped or enclosed in quotes. ```bash # Not escaped... $ echo -n $'beep\nboop' | reverse --split /\r?\n/ # Escaped... $ echo -n $'beep\nboop' | reverse --split /\\r?\\n/ ``` - The implementation ignores trailing delimiters.
### Examples ```bash $ reverse foobar raboof ``` To use as a [standard stream][standard-streams], ```bash $ echo -n 'foobar' | reverse raboof ``` By default, when used as a [standard stream][standard-streams], the implementation assumes newline-delimited data. To specify an alternative delimiter, set the `split` option. ```bash $ echo -n 'foobar\tbaz' | reverse --split '\t' raboof zab ```