Salto de linea en bbcode

[plus_ultra]

http://www.ignside.net/man/php/regex.php

prueba esto:

Código:

function bbcode( $code ) { 
    
	$code = strip_tags( $code ); 
    
    $patterns = array ( "/([^\]])\n([^\[])/",
    					"/\[list\](.*?)\[\/list\]/s",
    					"/\[list=(.*?)\](.*?)\[\/list\]/s",
    					"/\[\*\]([\w]+)/" );

    $replacements = array ( "\\1<br/>\n\\2",
    						"<ul>\\1</ul>",
    						"<ol type=\"\\1\">\\2</ol>",
    						"<li>\\1</li>" );
    
    return preg_replace( $patterns, $replacements, $code); 
}