在子字符串前后插入元素

Insert an element before and after substring

本文关键字:插入 元素 字符串      更新时间:2024-02-16

如何使用正则表达式或javascript/jQuery中的替代形式在元素之间插入子字符串?

例如,我有以下字符串:

This is a string 015 with numbers 1486453 randomly 10 inserted between words 0954

如果我的正则表达式是查找所有数字,结果将如下:

This is a string <span>015</span> with numbers <span>1486453</span> randomly <span>10</span> inserted between words <span>0954</span>

var testStr = 'This is a string 015 with numbers 1486453 randomly 10 inserted between words 0954';    
var result = testStr.replace(/('d+)/gi, '<span>$1</span>');
var str = $el.text();
$el.html(str.replace(/'d+/g, "<span>$&</span>"));

如果您的元素已经包含html节点,则会变得更加复杂。您需要构建一个DOM迭代器——请参阅以下答案。