如何从HTML中删除多个空格字符？

问题描述

我想删除来自用户端的多余空格，但我无法预测HTML的格式。

I want to remove extra whitespace which is coming from the user end, but I can't predict the format of the HTML.

例如：

<p> It's interesting that you would try cfsetting, since nothing in it's
documentation would indicate that it would do what you are asking.
Unless of course you were mis-reading what "enableCFoutputOnly" is
supposed to do.


</p>



<p>



It's interesting that you would try cfsetting, since nothing in it's
documentation would indicate that it would do what you are asking.
Unless of course you were mis-reading what "enableCFoutputOnly" is
supposed to do.</p>

请指导我如何从HTML中删除多个空白字符。

Please guide me on how to remove more than one whitespace character from HTML.

推荐答案

您可以使用regex通过循环遍历结果来替换多个空格字符的所有情况，使用单个空格，直到不再有多个空格出现为止： p>

You could use regex to replace any cases of multiple whitespace characters with a single space by looping over the result until no more multiple whitespace occurances exist:

lastTry = "<p>   lots of space    </p>";
nextTry = rereplace(lastTry,"\s\s", " ", "all");
while(nextTry != lastTry) {
  lastTry = nextTry;
  nextTry = REReplace(lastTry,"\s\s", " ", "all");
}

在CF10中测试。

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