Edit File: _hasUnicode.js
/** Used to compose unicode character classes. */ var rsAstralRange = '\\ud800-\\udfff', rsComboMarksRange = '\\u0300-\\u036f', reComboHalfMarksRange = '\\ufe20-\\ufe2f', rsComboSymbolsRange = '\\u20d0-\\u20ff', rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange, rsVarRange = '\\ufe0e\\ufe0f'; /** Used to compose unicode capture groups. */ var rsZWJ = '\\u200d'; /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */ var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']'); /** * Checks if `string` contains Unicode symbols. * * @private * @param {string} string The string to inspect. * @returns {boolean} Returns `true` if a symbol is found, else `false`. */ function hasUnicode(string) { return reHasUnicode.test(string); } module.exports = hasUnicode;
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