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  • JavaScript

    正则表达式 RegExp 与 JavaScript API  s.match(reg)

    // 字符
    var s = "The quick fox jumps over a lazy dog.";
    var reg = new RegExp("o", "g");// 或 var reg = /o/g;
    var arr = s.match(reg);
    console.log(arr.length);// 3
    
    // 字符串
    var s = "The quick fox jumps over a lazy dog.";
    var reg = new RegExp("fox", "g");
    var arr = s.match(reg);
    console.log(arr.length);// 1
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  • 原文地址:https://www.cnblogs.com/ikoo4396/p/7132703.html
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