正则表达式小脚本(对输入内容进行处理)

该小脚本实现的是对输入框内容中取出<img>标签中的src中的内容，然后在原来位置进行替换内容，然后在去除输入内容中的html标签，空格等操作
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									<!DOCTYPE html>

									<html lang="en">

									<head>

									  <meta charset="UTF-8">

									  <title></title>

									  <script>

									    window.onload = function () {

									      var target = document.getElementById("div1");

									      var but = document.getElementById("but");

									      var value;

									      but.onclick = function () {

									        value = target.innerHTML;

									        result = dealText(value);

									        alert(result);

									      };

									    };

									    function dealText(msg) {

									      var text1 = imageRound(msg);

									      var text2 = removeTag(text1);

									      var text3 = removeBlank(text2);

									      var text4 = changeNBSP(text3);

									      return text4;

									    }

									    function DealNum(num) {

									      var content = [];

									      for (var i = 0; i < num.length; i++) {

									        //

									        content.push(defaultSrc(num[i]));

									      }

									      return content;

									    }

									    function defaultSrc(src) {

									      return ':avator:';

									    }

									    function returnValue(srcValue) {

									      var num = [];

									      var pattern = /([^\/]+)\./;

									      var src;

									      for (var i = 0; i < srcValue.length; i++) {

									        src = pattern.exec(srcValue[i])[1];

									        num.push(src);

									      }

									//      alert(num);

									      var source = DealNum(num);

									      return source;

									    }

									    function imageRound(text) {

									      var reg2 = /<img.*?\>/gi;

									      var s = text.match(reg2);

									      var num = returnValue(s);

									      var i = 0;

									      var content = text.replace(reg2, function () {

									        return num[i++];

									      });

									      return content;

									    }

									    function removeTag(text) {

									      var text1;

									      var reg = /<.*?>|<.*?\/>/g;

									      text1 = text.replace(reg, "");

									      return text1;

									    }

									    function removeBlank(text) {

									      var text1;

									      var reg = /\s+/g;

									      text1 = text.replace(reg, "");

									      return text1;

									    }

									    function changeNBSP(text) {

									      var text1;

									      var reg = /&nbsp/g;

									      var reg1 = /\;/g;

									      text1 = text.replace(reg, ' ');

									      text1 = text1.replace(reg1, "");

									      return text1;

									    }

									  </script>

									</head>

									<body>

									<div contenteditable="true" id="div1">abc&nbspefg&nbsp<img src="asdjk/123.jpg"/><span>hi&nbspgk</span><img

									    src="ahdkh/124.jpg"/>

									  <div>lmnop</div>

									  q rst uvw

									</div>

									<button id="but">更新</button>

									</body>

									</html>
正则表达式小脚本(对输入内容进行处理)

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