//单个 var aa="1-2-3"; aa=aa.replace(',',"."); console.log(aa); //全局替换 var aa="1-2-3"; aa=aa.replace(/-/g,"."); console.log(aa); //切割方括号字符里的内容 var text ="hello [Word]"; var aaa=text.match(/([^\[\]]+)(?=\])/g
var test = text.innerHTML; b = test.replace(/任晓强/g,"你好"); console.log(b); html: <div id="text"> 任晓强去吃饭,任晓强去开车,任晓强去上班 </div> 正则:/任晓强/g可替换所有任晓强,/任晓强/只可替换第一个任晓强. var test = text.innerHTML; b = test.replace(/(任晓强)/g,"<s