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search with regular expression to find out some tag like XML

Posted on 2006-06-11
8
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Last Modified: 2008-03-06
If I've got a string like this:

===========================================
$str='
This is toan k1 image

[IMG]www.toank1.net/toank1.jpg[/IMG]

orther way is:
[IMG src="www.toank1.net/toank1.jpg"/]

and may be use this for default picture:
[IMG/]
';
===========================================

So I wanna get the array with resutl:
-------------------------
$arrResults = array('[IMG]www.toank1.net/toank1.jpg[/IMG]',
                             '[IMG src="www.toank1.net/toank1.jpg"/]',
                             '[IMG/]');
-------------------------
with the regular expression and the function in php is: preg_match_all

Please so me the expression string to do that!
Thanks alot!
0
Comment
Question by:tunhien
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8 Comments
 
LVL 49

Accepted Solution

by:
Roonaan earned 125 total points
ID: 16880297
Here you go:

<?php

$str='
This is toan k1 image

[IMG]www.toank1.net/toank1.jpg[/IMG]

orther way is:
[IMG src="www.toank1.net/toank1.jpg"/]

and may be use this for default picture:
[IMG/]
';


  if(preg_match_all('#(\[IMG\](.*?)\[/IMG\])|(\[IMG[^\]]*?/\])#i', $str, $matches)) {
    var_export($matches[0]);
  }
?>

-r-
0
 

Author Comment

by:tunhien
ID: 16880301
Thanks!
That good!

Is any good site help me to learn about Regular Expression!?
Thanks angain!
0
 
LVL 49

Expert Comment

by:Roonaan
ID: 16880308
The website www.regular-expression.info provides lots of information on regular expressions, including some tutorials and example codes.

-r-
0
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Author Comment

by:tunhien
ID: 16880310
And If I wanna case insensitive with the "IMG" string in those tags.
Please show me what the expression would be!?
0
 
LVL 49

Expert Comment

by:Roonaan
ID: 16880315
The regular expression should be case insensitive.

The i at the end of the expression (#i) stands for case insensitivity.

-r-
0
 

Author Comment

by:tunhien
ID: 16880322
wow! That's greate!

so If I wanna case sensitive tag.
What should I replace?

Thanks
0
 
LVL 49

Expert Comment

by:Roonaan
ID: 16880353
You should change "#i" to "#" (removing the "i")

-r-
0
 

Author Comment

by:tunhien
ID: 16880363
Oh!
Thank you very much! ;)
0

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