Question

我想删除来自用户端的额外空格，但我无法预测HTML的格式。

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。

Answer 1

如果你不想通过完全懒惰的代码来做这件事

=＆gt; {{3P>

如果您想通过代码执行，那么正则表达式将是另一种选择

Answer 2

您可以使用正则表达式将多个空格字符的任何情况替换为单个空格，方法是循环遍历结果，直到不再存在多个空格：

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中进行了测试。

Answer 3

这应该这样做：

<cfscript>
  string function stripCRLFAndMultipleSpaces(required string theString) {
    local.result = trim(rereplace(trim(arguments.theString), "([#Chr(09)#-#Chr(30)#])", " ", "all"));
    local.result = trim(rereplace(local.result, "\s{2,}", " ", "all"));
    return local.result;
  }
</cfscript>

如何从HTML中删除多个空格字符？

3 个答案: