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JS: 变成首字母大写文字

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/* To Title Case 1.1.1
 * David Gouch <http://individed.com>
 * 23 May 2008
 * License: http://individed.com/code/to-title-case/license.txt
 *
 * In response to John Gruber's call for a Javascript version of his script: 
 * http://daringfireball.net/2008/05/title_case
 */

String.prototype.toTitleCase = function() {
    return this.replace(/([\w&`'‘’"“.@:\/\{\(\[<>_]+-? *)/g, function(match, p1, index, title) {
        if (index > 0 && title.charAt(index - 2) !== ":" &&
            match.search(/^(a(nd?|s|t)?|b(ut|y)|en|for|i[fn]|o[fnr]|t(he|o)|vs?\.?|via)[ \-]/i) > -1)
            return match.toLowerCase();
        if (title.substring(index - 1, index + 1).search(/['"_{(\[]/) > -1)
            return match.charAt(0) + match.charAt(1).toUpperCase() + match.substr(2);
        if (match.substr(1).search(/[A-Z]+|&|[\w]+[._][\w]+/) > -1 || 
            title.substring(index - 1, index + 1).search(/[\])}]/) > -1)
            return match;
        return match.charAt(0).toUpperCase() + match.substr(1);
    });
};

标签:javascript,javascript

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