Posted by Toby A Inkster on 03/19/07 00:08

zainally wrote:

> I want to detect uppercase characters in a string and separate the two
> words in it by a space. I know I can use preg_replace for it, but I am
> not very good at regular expressions. Can someone help?

You want something like this:

$s = preg_replace('/([^\s])([A-Z])/', '\1 \2', $s);

You probably want to consider what sort of behaviour is "desirable" in
edge cases like this:

Print404ErrorPage
GetHTTPRequest
Jpeg2Gif

The above regular expression will output:

Print404 Error Page
Get H T T P Request
Jpeg2 Gif

which might not be what you wanted!

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Toby A Inkster BSc (Hons) ARCS
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