感谢~
正则判断 然后截取,可以看下我写的
https://blog.csdn.net/weixin_53412458/article/details/123662866?spm=1001.2014.3001.5502
<div id="d1" style="color:#007AFF">这是有号码的413888888882文字</div>
<!--<div id="d1" style="color:#007AFF">这是没有号码的423888888882文字</div>-->
<script type="text/javascript">
abc()
function abc() {
var character = document.getElementById("d1").innerHTML;
var str = character.match(/1[3,4,5,6,7,8,9]{1}[0-9]{9}/g)
if(str){
var arr = character.split(str)
var html = `${arr[0]}<span style="color:#f00">${str}</span>${arr[1]}`
document.getElementById('d1').innerHTML = html
}else{
document.getElementById('d1').style.color = '#000'
}
}
</script>
【温馨提示:若能帮到您,望给个采纳该答案,谢谢!】
1、效果
2、代码如下
<textarea id="textarea" style="width:300px;height:80px;">手机号码A是:13600166000,另一个手机号码B是:13600166002</textarea>
<button id="button">显示</button>
<div id="div" style="width:300px;height:80px;">
</div>
<script type="text/javascript">
document.getElementById("button").onclick = function () {
var content = document.getElementById('textarea').value;
var myRe = /(1[3456789][\d]{9})/g;
var myArray = content.match(myRe);
for (var i = 0; i < myArray.length; i++) {
var phone = myArray[i];
content = content.replace(new RegExp(phone, 'gm'), '<span style="color:red;">' + phone + '</span>')
}
document.getElementById('div').innerHTML = content;
}
</script>