var deburrLetter = require('./_deburrLetter'),
toString = require('./toString');
/** Used to match Latin Unicode letters (excluding mathematical operators). */ var reLatin = /[xc0-xd6xd8-xf6xf8-xffu0100-u017f]/g;
/** Used to compose unicode character classes. */ var rsComboMarksRange = '\u0300-\u036f',
reComboHalfMarksRange = '\\ufe20-\\ufe2f', rsComboSymbolsRange = '\\u20d0-\\u20ff', rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange;
/** Used to compose unicode capture groups. */ var rsCombo = '[' + rsComboRange + ']';
/**
* Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols). */
var reComboMark = RegExp(rsCombo, 'g');
/**
* Deburrs `string` by converting * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table) * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A) * letters to basic Latin letters and removing * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks). * * @static * @memberOf _ * @since 3.0.0 * @category String * @param {string} [string=''] The string to deburr. * @returns {string} Returns the deburred string. * @example * * _.deburr('déjà vu'); * // => 'deja vu' */
function deburr(string) {
string = toString(string); return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
}
module.exports = deburr;