time-to-botec/squiggle/node_modules/@stdlib/regexp/utf16-unpaired-surrogate/README.md

UTF-16 Unpaired Surrogate

Regular expression to match an unpaired UTF-16 surrogate.

Usage

var reUtf16UnpairedSurrogate = require( '@stdlib/regexp/utf16-unpaired-surrogate' );

reUtf16UnpairedSurrogate()

Returns a regular expression to match an unpaired UTF-16 surrogate.

var RE_UTF16_UNPAIRED_SURROGATE = reUtf16UnpairedSurrogate();

var bool = RE_UTF16_UNPAIRED_SURROGATE.test( 'abc\uD800def' );
// returns true

reUtf16UnpairedSurrogate.REGEXP

Regular expression to match an unpaired UTF-16 surrogate.

var bool = reUtf16UnpairedSurrogate.REGEXP.test( 'abc\uD800def' );
// returns true

Examples

var reUtf16UnpairedSurrogate = require( '@stdlib/regexp/utf16-unpaired-surrogate' );

var RE_UTF16_UNPAIRED_SURROGATE = reUtf16UnpairedSurrogate();

var bool = RE_UTF16_UNPAIRED_SURROGATE.test( '\uD800' );
// returns true

bool = RE_UTF16_UNPAIRED_SURROGATE.test( '\uDC00' );
// returns true

bool = RE_UTF16_UNPAIRED_SURROGATE.test( 'abc' );
// returns false