1、匹配双标签(包括内容),过滤标签,不保留内容。
var reg1 = /<span[^>]*>(.|\n)*<\/span>/gi;var str1 = '<span>我是被删除的</span>123123';
console.log(str1.replace(reg1,''));
2、匹配标签(不包括内容),过滤标签,保留内容。
var reg1 = /(<\/?font.*?>)/gi;var reg2 = /(<\/?span.*?>)/gi;var reg3 = /(<\/?a.*?>)/gi;var reg4= /(<\/?font.*?>)|(<\/?span.*?>)|(<\/?a.*?>)/gi;var str = '<span>我是被保留的</span><a href="asdasd">你好,我也是被保留的<font>我的font里的</font></a>';
console.log(str.replace(reg1,''));
console.log(str.replace(reg2,''));
console.log(str.replace(reg3,''));
console.log(str.replace(reg4,''));
3、去掉标签内的属性(比如style和class)
var reg1 = /<span[^>]*>/gi;var str1 = '<span>我是被删除的</span>123123';
console.log(str1.replace(reg1,'<span>'));
原文地址:https://www.cnblogs.com/Z7TS/p/13284289.html
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