老师帮忙看下哪里出错了
<!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <title>正则表达式测试工具</title> <style type="text/css"> *{box-sizing: border-box;} #regExp{width: 650px; margin: 100px auto; font-size: 14px;} #regExp .title{color: #777; font-size: 24px; text-align: center;} #regExp .textBox{width: 650px; height: 150px; border: 1px solid #ccc; border-radius: 5px; padding: 5px; resize: none;} #regExp .textfield{width: 225px; padding: 5px; border: 1px solid #ccc;} .readOnly{background-color: #eee;} </style> </head> <body> <div id="regExp"> <h1 class="title">正则表达式测试工具</h1> <textarea id="userText" class="textBox" rows="10" cols="30" placeholder="在此输入待匹配的文本"></textarea> <p> <span>正则表达式</span> <input type="text" id="userRegExp" class="textfield" placeholder="在此输入正则表达式"/> <input type="checkbox" name="userModifier" value="i" />忽略大小写 <input type="checkbox" name="userModifier" value="g" />全局匹配 <input type="checkbox" name="userModifier" value="m" />多行匹配 <input type="button" id="matchBtn" value="测试匹配"/> </p> <h4>匹配结果:</h4> <div id="matchingResult" class="textBox readOnly" rows="10" cols="30"></div> <p> <span>替换文本</span> <input type="text" id="userReplaceText" class="textfield" placeholder="在此输入替换文本"/> <input type="button" id="replaceBtn" value="替换文本"/> </p> <h4>匹配结果:</h4> <div id="replaceResult" class="textBox readOnly" rows="10" cols="30"></div> </div> <script type="text/javascript"> var userText = document.getElementById("userText"), matchBtn = document.getElementById("matchBtn"), userMod = document.getElementsByName("userModifier"), replaceBtn = document.getElementById("replaceBtn"), userRegExp = document.getElementById("userRegExp"), matchingResult = document.getElementById("matchingResult"), userReplaceText = document.getElementById("userReplaceText"), replaceResult = document.getElementById("replaceResult"), mod = "", pattern; for (var i = 0; i < userMod.length; i++) { console.log(userMod) userMod[i].onclick = function(){ mod=""; for (var j = 0; j < userMod.length; j++) { if (userMod[j].ckecked) { mod+= userMod[j].value; } } } } matchBtn.onclick = function(){ pattern = new RegExp("("+userRegExp.value+")", mod); matchingResult.innerHTML = pattern.exec(userText.value)?userText.value.replace(pattern, '<span style="background-color: yellow;">$1</span>'):("没有匹配") } // replaceBtn.onclick = function(){ // pattern = new RegExp("("+userRegExp.value+")", mod); // matchingResult.innerHTML = pattern.exec(userText.value)?userText.value.replace(pattern, '<span style="background-color: yellow;">$1</span>'):("没有匹配") // } </script> </body> </html>
修饰符点了没用,哪里出了问题???? 只会匹配第一个单词,自己找了好久没找出来
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同学你好!
抱歉昨天老师这边测得不是很全面。今天仔细看了一下问题应该是这里:checke单词拼写错误。
如果帮助到了你 欢迎采纳 祝学习愉快~
恭喜解决一个难题,获得1积分~
来为老师/同学的回答评分吧
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