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I have two questions about regular expressions in PHP.

#1:
What would the REGEXP for checking for [quote=someone]? I can do the replacing myself.

#2:
What would the REGEXP for checking for URLs and replacing them be? Here I need the replacing part too.

Any help would be very appreciated. :)
03.10.04 18:22
Post #1		 [Softbrain Games] [Hide Sig (2)] [Profile] [Quote]
[UA]tundraH
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The easiest way would be to download phpBB and look at includes/bbcode.php.
03.10.04 22:02
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\n
<?PHP\n

    //[quote]
    $findq = "/[quote](.+?)[/quote]/si";
    $replq = "<br><div class=quote><font size=1 color=#888888><b>Quote:</b></font><br>$1</div>";
   //[quote=name] why was a dot not allowed in the name??
    $findqn = "/[quote=(.+?)](.+?)[/quote]/si";
    $replqn = "<br><div class=quote><font size=1 color=#888888><b>Quoted :: $1</b></font><br>$2</div>";

  //quotes must be done recursively
  while (preg_match($findq,$str)) {
    $str = preg_replace($findq,$replq,$str);
  }
  while (preg_match($findqn,$str)) {
    $str = preg_replace($findqn,$replqn,$str);
  }
\n?>
\n
04.10.04 02:07
Post #3		Last edited: 04.10.04 02:08 (CBWhiz - 1 times) [Hide Sig (3)] [Profile] [Quote]
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of course you'll need to escape the [s since they are reserved for character classes.

I'd also export much neater code if i were you, throw in some line breaks, indentation and valid markup =p

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05.10.04 16:46
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Now that I think about that, thats true :)

COncidering i copieed and pasted form this forum's code, not sure why its working right tnow :D
06.10.04 04:03
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It doesn't work, and adding the escape characters doesn't do any difference! I get the errors "Warning: Unknown modifier 'q' in c:\program\easyphp\www\sbg\functions.php on line 138" and "Warning: Unknown modifier 'q' in c:\program\easyphp\www\sbg\functions.php on line 142" for every post in the thread.
Those lines are the lines where the two whiles start.
Quotes just show up as [ quote=someone ]something[ /quote ]. The same goes for [quote]-style quotes.
06.10.04 14:36
Post #6		Last edited: 06.10.04 18:16 (Dingbats - 1 times) [Softbrain Games] [Hide Sig (2)] [Profile] [Quote]
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can i see exactly what regex you've used?

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06.10.04 17:03
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\n
<?PHP\n
$find = "/[quote](.+?)[/quote]/si"; 
$repl = "<br><div class='quote'><font size='1' color='#888888'><b>Quote:</b></font><br>$1</div>"; 
$findn = "/[quote=(.+?)](.+?)[/quote]/si"; 
$repln = "<br><div class='quote'><font size='1' color='#888888'><b>Quote :: $1</b></font><br>$2</div>"; 

//Quotes must be done recursively 
while(preg_match($find, $string)) 
{
    $string = preg_replace($find, $repl, $string); 
}
while(preg_match($findn, $string)) <br />
{
    $string = preg_replace($findn, $repln, $string);
}

return $string;\n?>
\n
06.10.04 18:17
Post #8		Last edited: 06.10.04 18:19 (Dingbats - 2 times) [Softbrain Games] [Hide Sig (2)] [Profile] [Quote]
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\n
<?PHP\n
$find = "/[quote](.+?)[/quote]/si"; 
$repl = "<br><div class='quote'><font size='1' color='#888888'><b>Quote:</b></font><br>$1</div>"; 
$findn = "/<br><div class='quote'><span class='quoteheader'>Quoted :: (.+?)</span><br>(.+?)[/quote]/si"; 
$repln = "<br><div class='quote'><font size='1' color='#888888'><b>Quote :: $1</b></font><br>$2</div>"; 

//Quotes must be done recursively 
while(preg_match($find, $string)) 
{
    $string = preg_replace($find, $repl, $string); 
}
while(preg_match($findn, $string)) <br />
{
    $string = preg_replace($findn, $repln, $string);
}

return $string;\n?>
\n

you needed to escape the / in
since you were using / as your delimiter. I always use ' cos it's neater and less likely to appear in a pattern, ie:
"'(.+?)'si"
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06.10.04 18:36
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I'll try that.
Edit: It works! Thank you! :)
07.10.04 05:46
Post #10		Last edited: 07.10.04 13:36 (Dingbats - 1 times) [Softbrain Games] [Hide Sig (2)] [Profile] [Quote]

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