How can I auto remove the white space?

I am processing various RSS news items.

In those items, so开发者_开发问答me of them always have various white spaces (like tabs, redundant space, etc) in front within <p></p> or <div></div>.

How can I automatically remove those unnecessary white spaces in the beginning of a paragraph, using pure HTML or CSS?

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Not possible. HTML nor CSS are not programming languages, as such, they do not contain the tools to preform string manipulation.

You could do it easily with javascript like so:

var str = "This is a      string with           multiple spaces";
str = str.replace(/ {2,}/g, " ");
document.write("<pre>" + str + "</pre>");

Will print

This is a string with multiple spaces

Consider this working example

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you can use CSS for doing this:

div
{
  white-space:nowrap;
}

or

p
{
  white-space:nowrap;
}

Sequences of whitespace will collapse into a single whitespace. Text will never wrap to the next line. The text continues on the same line until a
tag is encountered

Hope this helps.

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If using jQuery, there's the jQuery.trim() function

JavaScript doesn't provide a trim function but here's an example how to write it yourself.

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Unfortunately, you cannot process HTML element with HTML or CSS. You need a JS for this.

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I had same issue I solved it using "white space attribute"

example :

p{
    white-space: normal;
}