//转化为camel形式

    var text = 'border-color-base';

    text.replace(/-(\w{1})/g, function (match, chr1) {

        return chr1.toUpperCase();

    });

    //转化为dash形式

    var text = 'borderColorBase';

    // AAAbb,  AbbAA, aBBBa

    //比如AAAbb,得到AA_Abb

    text.replace(/([A-Z]+)([A-Z][a-z])/g, "$1_$2").

            replace(/([a-z])([A-Z])/g, "$1_$2").

            replace(/_/g, "-").

            toLowerCase();

    s = "sabcstringabc999"

    re = s.replace(/a(b)(c)/g, function (match, chr1, chr2, char3, char4, char5) {

        // match : abc

        // chr1 : b

        // chr2 : c

        // chr3 : 1

        // chr4 : sabcstringabc999

        // chr5 : undefined

    });

    console.log(re);

    s = "sabcstringabc999"

    re = s.replace(/abc/g, function (match, index) {

        // match : abc

        // index : 1

    });

    //调换位置

    s = "human, huang";

    s.replace(/(\w+),\s*(\w+)/, "$2,$1");

    //RegExp.$1 : human

    //RegExp.$2 : huang

    var text = '"JavaScript" 非常强大！';

    text.replace(/"(\w+)"/g, "[$1]");

    //"[JavaScript] 非常强大！"