最简单的搜索文本高亮 let re='附件阿济格阿三哥阿发阿三哥IG安抚巾;抗拒阿三哥奥斯卡价格爱干净阿gas刚安上阿三哥;安上gas' let str='三哥' var reg = new RegExp(`([${str.split('').join('|')}]+)`, "g"); var highlightTerm = `<span style="color:red">$1</span>`; re=re.replace(reg,highlightTerm )