用正则表达式格式化html标签的代码
网络编程 2021-07-05 10:07www.168986.cn编程入门
代码如下:
<html>
<head>
</head>
<body>
<style>
#x_edit{
height:320px;
width:540px;
border:1px solid #666666;
color:red;
filter:chroma(color="#0f0f0f");
background-color:#f0f0f0;
font-family:verdana;
font-size:11px;
line-height:13px;
margin-left:16px;
overflow:scroll;
border-left:none;
scrollbar-arrow-color:#666666;
scrollbar-base-color:#666666;
scrollbar-darkshadow-color:#f0f0f0;
scrollbar-face-color:#f0f0f0;
}
</style>
<span onclick="abc()">格式化</span>
<div contentEditable="true" id="x_edit" style='position:relative;line-height:13px;background-color:#f0f0f0;filter:Chroma(color=#FDFEFF);width:540px;height:320px;overflow:auto;white-space: nowrap; z-index: 2;border:0px'>
<P><html><BR><head><BR></head><BR><body><BR><style><BR>#x_edit,#x_edit1{<BR> height:320px;<BR> width:540px;<BR> border:1px solid #666666;</P>
<P> color:red;</P>
<P> filter:chroma(color="#0f0f0f");<BR> background-color:#f0f0f0;<BR> font-family:verdana;<BR> font-size:11px;<BR> line-height:13px;<BR> margin-left:16px;<BR> overflow:scroll;<BR> border-left:none;<BR> scrollbar-arrow-color:#666666;<BR> scrollbar-base-color:#666666;<BR> scrollbar-darkshadow-color:#f0f0f0;<BR> scrollbar-face-color:#f0f0f0;<BR> }<BR></style><BR><span onclick="abc()">试试获得selection的，然后加上div的scrollTop，然后除以行高</span><BR><span id="a" onclick="alert('a')">a</span><BR><span id="b" onclick="alert('b')">b</span><BR><span id="c" onclick="alert('c')"<BR>>c</span><BR><span id="d" onclick="alert('d')">d</span><BR><span id="e" onclick="alert('e')">e</span><BR><span id="f" onclick="alert('f')">f</span<BR>><BR><span id="g"<BR> onclick="alert('g')">g</span><BR><textarea id="x_edit" wrap=off></textarea><BR><div contentEditable="true" id="x_edit1" style='position:relative;line-height:13px;background-color:#f0f0f0;filter:Chroma(color=#FDFEFF);width:540px;height:320px;overflow:auto;white-space: nowrap; z-index: 2;border:0px'></div><BR><script><BR>function abc(){<BR> //s=x_edit1.innerText;<BR> var s=x_edit.value;<BR> s=s.replace(/\n/gi,"");<BR> //s=s.replace(/<(\w+)(.?)[^<>]>/gi,"<"+aaa("$1$2")+">");<BR> s=s.replace(/<(.?)[^<>]>/gi,"<"+aaa("$1")+">");<BR> s=s.replace(/\n/gi,"@");<BR> //var LineValue=x_edit1.innerText.split("\r")<BR> /var LineValue=x_edit.value.split("\r")<BR>for(var i=0;i<LineValue.length;i++){<BR> LineValue[i]=LineValue[i].replace(/(".")/gi,"$1".replace(/</gi,"\xef").replace(/>/gi,"\xff"))<BR> LineValue[i]=LineValue[i].replace(/<(.[^<>])>/gi,"<"+"$1"+">\r")<BR> LineValue[i]=LineValue[i].replace(/\r\r/gi,"\r")<BR> LineValue[i]=LineValue[i].replace(/(".")/gi,"$1".replace(/\xef/gi,"<").replace(/\xff/gi,">"))<BR>}/<BR> //x_edit1.innerText=LineValue.join("");<BR> //x_edit.value=LineValue.join("");<BR> x_edit.value=s;<BR> //x_edit1.innerText=s;<BR>}<BR>function aaa(str){<BR> str=str.replace(/\r/gi," ");<BR> return str;<BR>}<BR></script><BR></body><BR></html></P>
</div>
<script>
function abc(){
var s=x_edit.innerText;
s=s.replace(/<\/?(\w+[\s\S]?)>/gi,function(a){return a.replace(/[\r\n]/gi,"")});
x_edit.innerText=s;
}
</script>
</body>
</html>
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