如何从字符串中删除重音字符? 特别是在IE6中,我有这样的东西:

accentsTidy = function(s){
    var r=s.toLowerCase();
    r = r.replace(new RegExp(/\s/g),"");
    r = r.replace(new RegExp(/[àáâãäå]/g),"a");
    r = r.replace(new RegExp(/æ/g),"ae");
    r = r.replace(new RegExp(/ç/g),"c");
    r = r.replace(new RegExp(/[èéêë]/g),"e");
    r = r.replace(new RegExp(/[ìíîï]/g),"i");
    r = r.replace(new RegExp(/ñ/g),"n");                
    r = r.replace(new RegExp(/[òóôõö]/g),"o");
    r = r.replace(new RegExp(/œ/g),"oe");
    r = r.replace(new RegExp(/[ùúûü]/g),"u");
    r = r.replace(new RegExp(/[ýÿ]/g),"y");
    r = r.replace(new RegExp(/\W/g),"");
    return r;
};

但是IE6让我很烦,它好像不喜欢我的正则表达式。


当前回答

谢谢大家 我使用这个版本并说明原因(因为我在开始时错过了这些解释,所以我试图帮助下一个读者,如果他和我一样无聊…)

备注:我想要一个高效的解决方案,所以:

只有一次regexp编译(如果需要) 每个字符串只扫描一个字符串 查找已翻译字符的有效方法 等等……

我的版本是: (里面没有新的技术技巧,只有一些精选的+解释)

makeSortString = (function() {
    var translate_re = /[¹²³áàâãäåaaaÀÁÂÃÄÅAAAÆccç©CCÇÐÐèéê?ëeeeeeÈÊË?EEEEE€gGiìíîïìiiiÌÍÎÏ?ÌIIIlLnnñNNÑòóôõöoooøÒÓÔÕÖOOOØŒr®Ršs?ߊS?ùúûüuuuuÙÚÛÜUUUUýÿÝŸžzzŽZZ]/g;
    var translate = {
"¹":"1","²":"2","³":"3","á":"a","à":"a","â":"a","ã":"a","ä":"a","å":"a","a":"a","a":"a","a":"a","À":"a","Á":"a","Â":"a","Ã":"a","Ä":"a","Å":"a","A":"a","A":"a",
"A":"a","Æ":"a","c":"c","c":"c","ç":"c","©":"c","C":"c","C":"c","Ç":"c","Ð":"d","Ð":"d","è":"e","é":"e","ê":"e","?":"e","ë":"e","e":"e","e":"e","e":"e","e":"e",
"e":"e","È":"e","Ê":"e","Ë":"e","?":"e","E":"e","E":"e","E":"e","E":"e","E":"e","€":"e","g":"g","G":"g","i":"i","ì":"i","í":"i","î":"i","ï":"i","ì":"i","i":"i",
"i":"i","i":"i","Ì":"i","Í":"i","Î":"i","Ï":"i","?":"i","Ì":"i","I":"i","I":"i","I":"i","l":"l","L":"l","n":"n","n":"n","ñ":"n","N":"n","N":"n","Ñ":"n","ò":"o",
"ó":"o","ô":"o","õ":"o","ö":"o","o":"o","o":"o","o":"o","ø":"o","Ò":"o","Ó":"o","Ô":"o","Õ":"o","Ö":"o","O":"o","O":"o","O":"o","Ø":"o","Œ":"o","r":"r","®":"r",
"R":"r","š":"s","s":"s","?":"s","ß":"s","Š":"s","S":"s","?":"s","ù":"u","ú":"u","û":"u","ü":"u","u":"u","u":"u","u":"u","u":"u","Ù":"u","Ú":"u","Û":"u","Ü":"u",
"U":"u","U":"u","U":"u","U":"u","ý":"y","ÿ":"y","Ý":"y","Ÿ":"y","ž":"z","z":"z","z":"z","Ž":"z","Z":"z","Z":"z"
    };
    return function(s) {
        return(s.replace(translate_re, function(match){return translate[match];}) );
    }
})();

我是这样用的:

var without_accents = makeSortString("wïthêüÄTrèsBïgüeAk100t");
// I let you guess the result,
// no I was kidding you : I give you the result : witheuatresbigueak100t

评论:

Tthe instruction inside it is done once (after, makeSortString != undefined) function(){...} is stored once in makeSortString, so the "big" translate_re and translate objects are stored once When you call makeSortString('something') it call directly the inside function which calls only s.replace(...) : it is efficient s.replace uses regexp (the special syntax of var translate_re= .... is in fact equivalent to var translate_re = new RegExp("[¹....Z]","g"); but the compilation of the regexp is done once for all, and the scan of the s String is done one for a call of the function (not for every character as it would be in a loop) For each character found s.replace calls function(match) where parameter match contains the character found, and it call the corresponding translated character (translate[match]) Translate[match] is probably efficient too as the javascript translate object is probably implemented by javascript with a hashtab or something equivalent and allow the program to find the translated character almost directly and not for instance through a loop on a array of all characters to find the right one (which would be awfully unefficient).

其他回答

有很多这样的方法,但我认为这个方法简单且足够好:

 function remove_accents(strAccents) {
    var strAccents = strAccents.split('');
    var strAccentsOut = new Array();
    var strAccentsLen = strAccents.length;
    var accents =    "ÀÁÂÃÄÅàáâãäåÒÓÔÕÕÖØòóôõöøÈÉÊËèéêëÇçðÐÌÍÎÏìíîïÙÚÛÜùúûüÑñŠšŸÿýŽž";
    var accentsOut = "AAAAAAaaaaaaOOOOOOOooooooEEEEeeeeCcdDIIIIiiiiUUUUuuuuNnSsYyyZz";
    for (var y = 0; y < strAccentsLen; y++) {
        if (accents.indexOf(strAccents[y]) != -1) {
            strAccentsOut[y] = accentsOut.substr(accents.indexOf(strAccents[y]), 1);
        } else
            strAccentsOut[y] = strAccents[y];
    }
    strAccentsOut = strAccentsOut.join('');

    return strAccentsOut;
}

如果你还想删除特殊字符,并转换下划线中的空格和连字符,请执行以下操作:

string = remove_accents(string);
string = string.replace(/[^a-z0-9\s]/gi, '').replace(/[-\s]/g, '_');

我使用GitHub Jakub Dundalek的存储库Latinize.js。

var latinize = require('latinize');
latinize('ỆᶍǍᶆṔƚÉ áéíóúýčďěňřšťžů'); // => 'ExAmPlE aeiouycdenrstzu'

如果你也对将希腊字符转换为拉丁语感兴趣,我已经包括了希腊字母和一些有向图;它也可以用来表示正字法和音标相结合的希腊式英语。

此外,该版本接受可选选项:

重写对象{replace:string -> search:regex,…} 它覆盖默认替换 忽略Array<string | regex> |字符串 忽略列表项,列表项可以是字符串或正则表达式

const defaultDiacriticsRemovalMap = { '1' : /[\u00B9]/g, '2' : /[\u00B2]/g, '3' : /[\u00B3]/g, 'AU': /\u0391\u03A5|\u0386\u03A5/g, 'EU': /\u0395\u03A5|\u0388\u03A5/g, 'OU': /\u039F\u03A5|\u039F\u038E/g, 'au': /\u03B1\u03C5|\u03AC\u03C5/g, 'eu': /\u03B5\u03C5|\u03AD\u03C5/g, 'ou': /\u03BF\u03C5|\u03BF\u03CD/g, 'Au': /\u0391\u03C5|\u0386\u03C5/g, 'Eu': /\u0395\u03C5|\u0388\u03C5/g, 'Ou': /\u039F\u03C5|\u039F\u03CD/g, 'A' : /[\u0391\u0386\u0041\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F]/g, 'AA': /[\uA732]/g, 'AE': /[\u00C6\u01FC\u01E2]/g, 'AF': /[\u00C6\u01FC\u01E2]/g, 'AO': /[\uA734]/g, 'AU': /[\uA736]/g, 'AV': /[\uA738\uA73A]/g, 'AY': /[\uA73C]/g, 'B' : /[\u0392\u0042\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0182\u0181]/g, 'C' : /[\u0043\u24B8\uFF23\u0106\u0108\u010A\u010C\u00C7\u1E08\u0187\u023B\uA73E]/g, 'D' : /[\u00D0\u0394\u0044\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018B\u018A\u0189\uA779]/g, 'DZ': /[\u01F1\u01C4]/g, 'Dz': /[\u01F2\u01C5]/g, 'E' : /[\u0395\u0388\u0045\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\u00CB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E]/g, 'F' : /[\u03A6\u0046\u24BB\uFF26\u1E1E\u0191\uA77B]/g, 'G' : /[\u0393\u0047\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E]/g, 'H' : /[\u0397\u0389\u0048\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D]/g, 'I' : /[\u0399\u038A\u03AA\u0049\u24BE\uFF29\u00CC\u00CD\u00CE\u0128\u012A\u012C\u0130\u00CF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197]/g, 'J' : /[\u004A\u24BF\uFF2A\u0134\u0248]/g, 'K' : /[\u039A\u004B\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2]/g, 'KS': /[\u039E]/g, 'L' : /[\u039B\u004C\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780]/g, 'LJ': /[\u01C7]/g, 'Lj': /[\u01C8]/g, 'M' : /[\u039C\u004D\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C]/g, 'N' : /[\u039D\u004E\u24C3\uFF2E\u01F8\u0143\u00D1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u0220\u019D\uA790\uA7A4]/g, 'NJ': /[\u01CA]/g, 'Nj': /[\u01CB]/g, 'O' : /[\u038C\u039F\u03A9\u038F\u004F\u24C4\uFF2F\u00D2\u00D3\u00D4\u1ED2\u1ED0\u1ED6\u1ED4\u00D5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\u00D6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\u00D8\u01FE\u0186\u019F\uA74A\uA74C]/g, 'OE': /[\u0152]/g, 'OI': /[\u01A2]/g, 'OO': /[\uA74E]/g, 'OU': /[\u0222]/g, 'P' : /[\u03A0\u0050\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754]/g, 'PS': /[\u03A8]/g, 'Q' : /[\u0051\u24C6\uFF31\uA756\uA758\u024A]/g, 'R' : /[\u03A1\u0052\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782]/g, 'S' : /[\u03A3\u0053\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784]/g, 'T' : /[\u03A4\u0054\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786]/g, 'TZ': /[\uA728]/g, 'TH': /[\u0398]/g, 'U' : /[\u0055\u24CA\uFF35\u00D9\u00DA\u00DB\u0168\u1E78\u016A\u1E7A\u016C\u00DC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244]/g, 'V' : /[\u0056\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245]/g, 'VY': /[\uA760]/g, 'W' : /[\u0057\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72]/g, 'X' : /[\u03A7\u0058\u24CD\uFF38\u1E8A\u1E8C]/g, 'Y' : /[\u03A5\u038E\u03AB\u0059\u24CE\uFF39\u1EF2\u00DD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE]/g, 'Z' : /[\u0396\u005A\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762]/g, 'a' : /[\u03B1\u03AC\u0061\u24D0\uFF41\u1E9A\u00E0\u00E1\u00E2\u1EA7\u1EA5\u1EAB\u1EA9\u00E3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\u00E4\u01DF\u1EA3\u00E5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250]/g, 'aa': /[\uA733]/g, 'ae': /[\u00E6\u01FD\u01E3]/g, 'ao': /[\uA735]/g, 'au': /[\uA737]/g, 'av': /[\uA739\uA73B]/g, 'ay': /[\uA73D]/g, 'b' : /[\u03B2\u0062\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253]/g, 'c' : /[\u00A9\u0063\u24D2\uFF43\u0107\u0109\u010B\u010D\u00E7\u1E09\u0188\u023C\uA73F\u2184]/g, 'd' : /[\u03B4\u0064\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\uA77A]/g, 'dz': /[\u01F3\u01C6]/g, 'e' : /[\u20AC\u00F0\u03B5\u03AD\u0065\u24D4\uFF45\u00E8\u00E9\u00EA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\u00EB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u025B\u01DD]/g, 'f' : /[\u03C6\u0066\u24D5\uFF46\u1E1F\u0192\uA77C]/g, 'g' : /[\u03B3\u0067\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\u1D79\uA77F]/g, 'h' : /[\u0068\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265]/g, 'hv': /[\u0195]/g, 'i' : /[\u03B9\u03AF\u03CA\u0390\u03B7\u03AE\u0069\u24D8\uFF49\u00EC\u00ED\u00EE\u0129\u012B\u012D\u00EF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131]/g, 'j' : /[\u006A\u24D9\uFF4A\u0135\u01F0\u0249]/g, 'k' : /[\u03BA\u006B\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3]/g, 'ks': /[\u03BE]/g, 'l' : /[\u03BB\u006C\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747]/g, 'lj': /[\u01C9]/g, 'm' : /[\u03BC\u006D\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F]/g, 'n' : /[\u03BD\u006E\u24DD\uFF4E\u01F9\u0144\u00F1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5]/g, 'nj': /[\u01CC]/g, 'o' : /[\u03C9\u03CE\u03CC\u03BF\u006F\u24DE\uFF4F\u00F2\u00F3\u00F4\u1ED3\u1ED1\u1ED7\u1ED5\u00F5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\u00F6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\u00F8\u01FF\u0254\uA74B\uA74D\u0275]/g, 'oe': /[\u0153]/g, 'oi': /[\u01A3]/g, 'ou': /[\u0223]/g, 'oo': /[\uA74F]/g, 'p' : /[\u03C0\u0070\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755]/g, 'ps': /[\u03C8]/g, 'q' : /[\u0071\u24E0\uFF51\u024B\uA757\uA759]/g, 'r' : /[\u00AE\u03C1\u0072\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783]/g, 's' : /[\u03C2\u03C3\u0073\u24E2\uFF53\u00DF\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B]/g, 't' : /[\u03C4\u0074\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787]/g, 'tz': /[\uA729]/g, 'th': /[\u03B8]/g, 'u' : /[\u00B5\u0075\u24E4\uFF55\u00F9\u00FA\u00FB\u0169\u1E79\u016B\u1E7B\u016D\u00FC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289]/g, 'v' : /[\u0076\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C]/g, 'vy': /[\uA761]/g, 'w' : /[\u0077\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73]/g, 'x' : /[\u03C7\u0078\u24E7\uFF58\u1E8B\u1E8D]/g, 'y' : /[\u03C5\u03CD\u03CB\u0079\u24E8\uFF59\u1EF3\u00FD\u0177\u1EF9\u0233\u1E8F\u00FF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF]/g, 'z' : /[\u03B6\u007A\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763]/g, }; function removeAccent(str, { override, ignore } = {}) { // Function to convert strings to unicode char code escape strings const toHex = s => s.split('').map(c => `\\u${c.charCodeAt().toString(16).padStart(4, "0")}`).join(''); const useToIgnore = ignore && typeof(ignore) === 'string' ? ignore.split('') : ignore; // For every ignore item, replace it with {\uXXXX} so we'll get it back when we finish let useStr = useToIgnore ? useToIgnore.reduce((acc, cur) => acc.replace(cur, m => `{${toHex(m)}}`), str) : str; // Loop through overrides first if (override) { for (const base in override) { useStr = useStr.replace(override[base], base); } } // Loop through the defaults for (const base in defaultDiacriticsRemovalMap) { useStr = useStr.replace(defaultDiacriticsRemovalMap[base], base); } // Restore ignored mappings return useToIgnore ? useStr.replace( /\{?(\\u([0-9a-f]*))\}?/g, (m, g1, hex) => String.fromCharCode(parseInt(hex, 16)) ) : useStr; } // Helper function to convert and print the subjects RegExp.prototype.toJSON = RegExp.prototype.toString; function print([str, options]) { const subjects = document.getElementById('subjects'); const result = document.createElement('div'); result.className = 'result'; if (options) { const opts = document.createElement('div'); opts.textContent = JSON.stringify(options) + "\n"; result.appendChild(opts); } const texts = document.createTextNode(`› ${str}\n‹ ${removeAccent(str, options)}\n`); result.appendChild(texts); subjects.appendChild(result); } // The subjects with some options const subjects = [ ["Mon café est plein de caféïne"], ["Τι αξία έχει ο γάμος στην αγάπη μας μπροστά, είναι κι άλλοι παντρεμένοι κι όμως ζούνε χωριστά. - Ζαμπέτας"], ["ÀÁÂÃÄÅàáâãäåÒÓÔÕÕÖØòóôõöøÈÉÊËèéêëðÇçÐÌÍÎÏìíîïÙÚÛÜ ùúûüÑñŠšŸÿýŽž"], ["¹²³áàâãäåaaaÀÁÂÃÄÅAAAÆccç©CCÇÐÐèéêëeeeeeÈÊËEEEEE€g GiìíîïìiiiÌÍÎÏÌIIIlLnnñNNÑòóôõöoooøÒÓÔÕÖOOOØŒr®RšsߊS ùúûüuuuuÙÚÛÜUUUUýÿÝŸžzzŽZZ", { ignore: ['€', 'Ð', 'Æ'] }], [ "Ο λούτσος του Αυγούστου", { ignore: [/\u03BF\u03C5|\u03BF\u03CD/g] }], ["Η χθεσινή της Κυριακής"], ["Η χθεσινή της Κυριακής", { override: { 'H': /[ΗΉ]/g, 'h': /[ηή]/g } }] ]; // Print all subjects subjects.forEach(print); .result { font-family: monospace; white-space: pre-wrap; margin-top: 10px; padding-bottom: 10px; border-bottom: 1px dashed lightgrey; } .result:last-child { border:0; } .result > div { color: blue; margin-bottom: 4px; } <div id="subjects"></div>

我稍微修改了khel版本,原因之一是:每次regexp解析/替换将花费O(n)次操作,其中n是目标文本中的字符数。但是,regexp并不是我们所需要的。所以:

/* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ var defaultDiacriticsRemovalMap = [ {'base':'A', 'letters':'\u0041\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F'}, {'base':'AA','letters':'\uA732'}, {'base':'AE','letters':'\u00C6\u01FC\u01E2'}, {'base':'AO','letters':'\uA734'}, {'base':'AU','letters':'\uA736'}, {'base':'AV','letters':'\uA738\uA73A'}, {'base':'AY','letters':'\uA73C'}, {'base':'B', 'letters':'\u0042\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0182\u0181'}, {'base':'C', 'letters':'\u0043\u24B8\uFF23\u0106\u0108\u010A\u010C\u00C7\u1E08\u0187\u023B\uA73E'}, {'base':'D', 'letters':'\u0044\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018B\u018A\u0189\uA779\u00D0'}, {'base':'DZ','letters':'\u01F1\u01C4'}, {'base':'Dz','letters':'\u01F2\u01C5'}, {'base':'E', 'letters':'\u0045\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\u00CB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E'}, {'base':'F', 'letters':'\u0046\u24BB\uFF26\u1E1E\u0191\uA77B'}, {'base':'G', 'letters':'\u0047\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E'}, {'base':'H', 'letters':'\u0048\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D'}, {'base':'I', 'letters':'\u0049\u24BE\uFF29\u00CC\u00CD\u00CE\u0128\u012A\u012C\u0130\u00CF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197'}, {'base':'J', 'letters':'\u004A\u24BF\uFF2A\u0134\u0248'}, {'base':'K', 'letters':'\u004B\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2'}, {'base':'L', 'letters':'\u004C\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780'}, {'base':'LJ','letters':'\u01C7'}, {'base':'Lj','letters':'\u01C8'}, {'base':'M', 'letters':'\u004D\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C'}, {'base':'N', 'letters':'\u004E\u24C3\uFF2E\u01F8\u0143\u00D1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u0220\u019D\uA790\uA7A4'}, {'base':'NJ','letters':'\u01CA'}, {'base':'Nj','letters':'\u01CB'}, {'base':'O', 'letters':'\u004F\u24C4\uFF2F\u00D2\u00D3\u00D4\u1ED2\u1ED0\u1ED6\u1ED4\u00D5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\u00D6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\u00D8\u01FE\u0186\u019F\uA74A\uA74C'}, {'base':'OI','letters':'\u01A2'}, {'base':'OO','letters':'\uA74E'}, {'base':'OU','letters':'\u0222'}, {'base':'OE','letters':'\u008C\u0152'}, {'base':'oe','letters':'\u009C\u0153'}, {'base':'P', 'letters':'\u0050\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754'}, {'base':'Q', 'letters':'\u0051\u24C6\uFF31\uA756\uA758\u024A'}, {'base':'R', 'letters':'\u0052\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782'}, {'base':'S', 'letters':'\u0053\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784'}, {'base':'T', 'letters':'\u0054\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786'}, {'base':'TZ','letters':'\uA728'}, {'base':'U', 'letters':'\u0055\u24CA\uFF35\u00D9\u00DA\u00DB\u0168\u1E78\u016A\u1E7A\u016C\u00DC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244'}, {'base':'V', 'letters':'\u0056\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245'}, {'base':'VY','letters':'\uA760'}, {'base':'W', 'letters':'\u0057\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72'}, {'base':'X', 'letters':'\u0058\u24CD\uFF38\u1E8A\u1E8C'}, {'base':'Y', 'letters':'\u0059\u24CE\uFF39\u1EF2\u00DD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE'}, {'base':'Z', 'letters':'\u005A\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762'}, {'base':'a', 'letters':'\u0061\u24D0\uFF41\u1E9A\u00E0\u00E1\u00E2\u1EA7\u1EA5\u1EAB\u1EA9\u00E3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\u00E4\u01DF\u1EA3\u00E5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250'}, {'base':'aa','letters':'\uA733'}, {'base':'ae','letters':'\u00E6\u01FD\u01E3'}, {'base':'ao','letters':'\uA735'}, {'base':'au','letters':'\uA737'}, {'base':'av','letters':'\uA739\uA73B'}, {'base':'ay','letters':'\uA73D'}, {'base':'b', 'letters':'\u0062\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253'}, {'base':'c', 'letters':'\u0063\u24D2\uFF43\u0107\u0109\u010B\u010D\u00E7\u1E09\u0188\u023C\uA73F\u2184'}, {'base':'d', 'letters':'\u0064\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\uA77A'}, {'base':'dz','letters':'\u01F3\u01C6'}, {'base':'e', 'letters':'\u0065\u24D4\uFF45\u00E8\u00E9\u00EA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\u00EB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u025B\u01DD'}, {'base':'f', 'letters':'\u0066\u24D5\uFF46\u1E1F\u0192\uA77C'}, {'base':'g', 'letters':'\u0067\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\u1D79\uA77F'}, {'base':'h', 'letters':'\u0068\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265'}, {'base':'hv','letters':'\u0195'}, {'base':'i', 'letters':'\u0069\u24D8\uFF49\u00EC\u00ED\u00EE\u0129\u012B\u012D\u00EF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131'}, {'base':'j', 'letters':'\u006A\u24D9\uFF4A\u0135\u01F0\u0249'}, {'base':'k', 'letters':'\u006B\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3'}, {'base':'l', 'letters':'\u006C\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747'}, {'base':'lj','letters':'\u01C9'}, {'base':'m', 'letters':'\u006D\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F'}, {'base':'n', 'letters':'\u006E\u24DD\uFF4E\u01F9\u0144\u00F1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5'}, {'base':'nj','letters':'\u01CC'}, {'base':'o', 'letters':'\u006F\u24DE\uFF4F\u00F2\u00F3\u00F4\u1ED3\u1ED1\u1ED7\u1ED5\u00F5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\u00F6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\u00F8\u01FF\u0254\uA74B\uA74D\u0275'}, {'base':'oi','letters':'\u01A3'}, {'base':'ou','letters':'\u0223'}, {'base':'oo','letters':'\uA74F'}, {'base':'p','letters':'\u0070\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755'}, {'base':'q','letters':'\u0071\u24E0\uFF51\u024B\uA757\uA759'}, {'base':'r','letters':'\u0072\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783'}, {'base':'s','letters':'\u0073\u24E2\uFF53\u00DF\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B'}, {'base':'t','letters':'\u0074\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787'}, {'base':'tz','letters':'\uA729'}, {'base':'u','letters': '\u0075\u24E4\uFF55\u00F9\u00FA\u00FB\u0169\u1E79\u016B\u1E7B\u016D\u00FC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289'}, {'base':'v','letters':'\u0076\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C'}, {'base':'vy','letters':'\uA761'}, {'base':'w','letters':'\u0077\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73'}, {'base':'x','letters':'\u0078\u24E7\uFF58\u1E8B\u1E8D'}, {'base':'y','letters':'\u0079\u24E8\uFF59\u1EF3\u00FD\u0177\u1EF9\u0233\u1E8F\u00FF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF'}, {'base':'z','letters':'\u007A\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763'} ]; var diacriticsMap = {}; for (var i=0; i < defaultDiacriticsRemovalMap .length; i++){ var letters = defaultDiacriticsRemovalMap [i].letters; for (var j=0; j < letters.length ; j++){ diacriticsMap[letters[j]] = defaultDiacriticsRemovalMap [i].base; } } // "what?" version ... http://jsperf.com/diacritics/12 function removeDiacritics (str) { return str.replace(/[^\u0000-\u007E]/g, function(a){ return diacriticsMap[a] || a; }); } var paragraph = "L'avantage d'utiliser le lorem ipsum est bien évidemment de pouvoir créer des maquettes ou de remplir un site internet de contenus qui présentent un rendu s'approchant un maximum du rendu final. \n Par défaut lorem ipsum ne contient pas d'accent ni de caractères spéciaux contrairement à la langue française qui en contient beaucoup. C'est sur ce critère que nous proposons une solution avec cet outil qui générant du faux-texte lorem ipsum mais avec en plus, des caractères spéciaux tel que les accents ou certains symboles utiles pour la langue française. \n L'utilisation du lorem standard est facile d’utilisation mais lorsque le futur client utilisera votre logiciel il se peut que certains caractères spéciaux ou qu'un accent ne soient pas codés correctement. \n Cette page a pour but donc de pouvoir perdre le moins de temps possible et donc de tester directement si tous les encodages de base de donnée ou des sites sont les bons de plus il permet de récuperer un code css avec le texte formaté !"; alert(removeDiacritics(paragraph));

为了验证我的理论,我在http://jsperf.com/diacritics/12上写了一个测试。结果:

在Windows 8 64位的Chrome 28.0.1500.95 32位的测试: 使用正则表达式 4558 ops/sec±4.16%。慢37% 字符串生成器样式 7308次/秒±4.88%。最快

更新

在Windows 8 64位的Chrome 33.0.1750测试:

使用正则表达式 5260±1.25% ops/sec,慢76% 使用@skerit版本 22138±2.12% ops/sec最快

更新日期:2014年3月19日

增加丢失的“OE”变音符。

更新日期:2014年3月27日

使用一个更快的方法横向字符串使用js - "什么?"版本

更新日期:2014年5月14日

社区维基

标准化变音符是非常有用的

    const { normalize } = require('normalize-diacritics');
     
    /** Assuming top-level await is enabled... */
    await normalize('söme stüff with áccènts'); // 'some stuff with accents'