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This article mainly shows you how to use regular expressions to extract the contents of the input box.

The src content of the tag is easy to understand and well organized. I hope it can help you solve your doubts. Let the editor lead you to study and learn how to use regular expressions to extract the contents of the input box.

The article "src content of tags".

The small script implements the extraction of the contents of the input box

The contents of the src in the tag, then replace the content in the original location, and then remove the html tags, spaces and other operations in the input

_ window.onload = function () {var target = document.getElementById ("div1"); var but = document.getElementById ("but"); var value; but.onclick = function () {value = target [XSS _ clean]; 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 = //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 = / /g; var reg1 = /\;/g; text1 = text.replace(reg, ' '); text1 = text1.replace(reg1, ""); return text1; } abc efg 

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