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  • 基于正则表达式匹配的CSS语法高亮及代码格式化

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    ©2011 Copyright Ider Zheng


    此项目中用到的Javascript偏门知识

    prototype扩展已有的Javascript对象:

    String.prototype.trim = function(){return this.replace(/^\s+|\s+$/g, "");}

    Getter只读属性器:

        get EndlineMatcher()
    {
    return /\n|\r|\r\n/g;
    },

    String.replace方法接受函数作为参数:

    function HtmlEncode(original)
    {
    var result =
    original.replace(
    /\n|\r|\r\n| {2,}/g
    ,
    function ($0)
    {
    if($0[0] == " ") return TextFormat.Space($0.length);

    return "<br />" + $0;
    }
    );
    return result;
    }

    使用数组进行字符串重复:

        Space: function(num)
    {
    var times = parseInt(num);
    times
    = (times == NaN? 1:times+1); // times+1 length array has times intervals

    return new Array(times).join("&nbsp;");
    }
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  • 原文地址:https://www.cnblogs.com/ider/p/regex_based_css_syntax_coloring.html
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