regex to strip comments

[Anon]

I would also like to strip whitespace, but only when a space occurrs more than twice consecutively...? So HTML attributes keep there single spaces...?

How would I go abouts accomplishing this...?

This is have for stripping HTML comments, but it ignores comments when the comments have other HTML tags inside them...?

$buffer = eregi_replace("(<!--[^>]*-->)", "", $buffer);

Can anyone offer me a hand...?

TIA

Cheers

[Anon]

$string = "this &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; string &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; has&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;alot&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; of whitespace";

$noexcesswhitespace = preg_replace("/ {1,}/",' ');

[Anon]

$string = "this &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; string &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; has&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;alot&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; of whitespace";

$noexcesswhitespace = preg_replace("/ {1,}/",' ',$string);

$noexcesswhitespace now contains $string minus the excess whitespace, 'this string has alot of whitespace'

[Anon]

One of the reasons why POSIX regular expressions aren't as good as Perl-Compatible ones.

This is my first cut at comment-stripping. Note that it won't recognise <!----> as a comment (if there's nothing visible, it's "<>" with "!----" inside. If these are possible, they should be stripped out with a str_replace first, otherwise the regexp below will choke.

$buffer = preg_replace('/<!--(.(?!-->))*.-->/','',$buffer);

The space-compression is simplicity itself:

$buffer=preg_replace('/\s+/',' ',$buffer);

This will collapse tabs as well as spaces. To collapse newlins also, stick an 's' in after the last '/' in the regexp.

[Anon]

I did not know there was a difference between the two forms of regex...

Interesting

Although...isn't the PERL version only available in 4.0+...???

Thanx alot!