vb.org Archive - preg

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- vB3 Programming Discussions (https://vborg.vbsupport.ru/forumdisplay.php?f=15)

- - preg_replace (https://vborg.vbsupport.ru/showthread.php?t=71355)

AN-net

11-04-2004 05:07 PM

preg_replace

well i heard preg_replace is a very hard thing in php but i thought i would give a swing at it, i did with a simple phrase already and it worked great but i cant get this one to work with variables and what nots..

heres my error:

Quote:

Originally Posted by server

Warning: Compilation failed: missing terminating ] for character class at offset 21 in /home2/animati/public_html/dev/testphp.php on line 24

my php

PHP Code:


		
			
$string= "[bold]black[/bold]";

$pattern= "#/[bold\](.*)\[/bold\]#esiU";

$replace= "<b>$1</b>";

echo preg_replace($pattern, $replace, $string);

Xenon

11-04-2004 05:49 PM

the [ is a special char in regular expressions, so you have to escape it if you want it to be the actual character:

PHP Code:


		
			
$pattern= "#\[bold\](.*)\[/bold\]#esiU";

i assume you meant to use the backslash but used a normal slash instead ;)

AN-net

11-04-2004 06:00 PM

more errors, yeah!!!>_<

Quote:

Originally Posted by server of evil!!!

Parse error: parse error, unexpected '<' in /home2/animati/public_html/dev/testphp.php(24) : regexp code on line 1

Fatal error: Failed evaluating code: black in /home2/animati/public_html/dev/testphp.php on line 24

Xenon

11-04-2004 06:12 PM

remove the 'e' from 'esiU'

you'r not executing a callback function are you? ^^

AN-net

11-04-2004 06:17 PM

i just copied that from functions_bbcodeparse.php lol! so what does that exactly do? #siU?

i tried understanding the way php.net explains it but im just confused>_<

Xenon

11-04-2004 06:20 PM

i -> ignore cases
e -> execute a callback function (like vb does if there is a handle_bbcode()..)
s -> means a dot can be every character
not really sure about the U, i never used it right now ^^

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