例如我有这样的html:
<title>Ololo - text’s life</title><div class="page-wrap"><div class="ng-scope"><div class="modal custom article ng-scope in" id="new-article" aria-hidden="false" style="display: block;"><div class="modal-dialog first-modal-wrapper">< div class="modal-content"><div class="modal-body full long"><div class="form-group">olololo<ul style="color: rgb(85, 85, 85);background-color: rgb(255, 255, 255);"><li>texttext</li><li>Filter the events lists by host.</li><li>Create graphs for separate hosts and for the groups of hosts.</li></ul><p style="color: rgb(85, 85, 85);background-color: rgb(255, 255, 255);">bbcvbcvbcvbcvbcvbcvbcvb</p></div></div></div></div></div></div><title>cvbcbcvbcvbcvbccb</title><div class="page-wrap"></div></div>
我怎么能从这样的html中删除所有样式类id等?
我有这样的正则表达式:
/<([a-z][a-z0-9]*)[^>]*?(\/?)>/i
有什么不对?如何在正则表达式的帮助下删除所有html属性?
这里是小提琴:
答案 0 :(得分:4)
你不应该在这里使用正则表达式。
var html = '<title>Ololo - text’s life</title><div class="page-wrap"><div class="ng-scope"><div class="modal custom article ng-scope in" id="new-article" aria-hidden="false" style="display: block;"><div class="modal-dialog first-modal-wrapper"><div class="modal-content"><div class="modal-body full long"> <div class="form-group">olololo<ul style="color: rgb(85, 85, 85);background-color: rgb(255, 255, 255);"><li>texttext</li><li>Filter the events lists by host.</li><li>Create graphs for separate hosts and for the groups of hosts.</li> </ul><p style="color: rgb(85, 85, 85);background-color: rgb(255, 255, 255);">bbcvbcvbcvbcvbcvbcvbcvb</p></div><div></div></div></div></div><title>cvbcbcvbcvbcvbccb</title><div class="page-wrap"></div></div>';
var div = document.createElement('div');
div.innerHTML = html;
function removeAllAttrs(element) {
for (var i = element.attributes.length; i-- > 0;)
element.removeAttributeNode(element.attributes[i]);
}
function removeAttributes(el) {
var children = el.children;
for (var i = 0; i < children.length; i++) {
var child = children[i];
removeAllAttrs(child);
if (child.children.length) {
removeAttributes(child);
}
}
}
removeAttributes(div);
console.log(div.innerHTML);
答案 1 :(得分:1)
您错过了g
标记以使替换成为全局。
/<([a-z][a-z0-9]*)[^>]*?(\/?)>/ig
此外,如果您出于安全考虑,请考虑使用正确的HTML清理程序:Sanitize/Rewrite HTML on the Client Side
答案 2 :(得分:1)
首先,我建议你在这种情况下不要使用正则表达式,它们并不是要解析像HTML这样的树形结构。
如果您没有选择,我认为对于所请求的问题,您可以使用正则表达式。
在我看来你忘记了空格,重音等。你可以使用大于>
且小于<
符号的事实不允许作为原始文本。
/<\s*([a-z][a-z0-9]*)\s.*?>/gi
并将其命名为:
result = body.replace(regex, '<$1>')
对于您的给定样本,它会产生:
<title>Ololo - text’s life</title><div><div><div><div><div><div><div>olololo<ul><li>texttext</li><li>Filter the events lists by host.</li><li>Create graphs for separate hosts and for the groups of hosts.</li></ul><p>bbcvbcvbcvbcvbcvbcvbcvb</p></div></div></div></div></div></div><title>cvbcbcvbcvbcvbccb</title><div></div></div>