Pattern for preg_match comes from a CSV file

[msoutopico]

Hi there, 

 

I'm struggling a bit with this. 

 

This works fine: 

line 99: preg_match('^\s', $xmlElem)

However, I shouldn't be writing the pattern there directly, because the pattern is in a tab-separated file.

 

If I get it with fgetcsv and put it in another variable

$pattern = $data[0];
echo $pattern; // outputs ^\s

and then use that variable in the above match

line 99: preg_match('/'. $pattern .'/', $xmlElem)

then I get an error like:

 

Warning: preg_match() [function.preg-match]: No ending delimiter '/' found in/Users/souto/Sites/path/to/file.php on line 99 

 

and there's no match. 

 

Could anyone help me out? Thank you so much!

 

Cheers, Manuel

[.josh]

at face value, there is nothing wrong with the code you posted. Canned example:

 

$fp = fopen('test.txt', 'w');
fputcsv($fp, array("^\s"));
fclose($fp);

$fp = fopen("test.txt", "r");
$data = fgetcsv($fp, 1000, ",");

$pattern = $data[0];
$xmlElem = ' foobar';

echo $pattern; // outputs ^\s
echo preg_match('/'. $pattern .'/', $xmlElem);

output:

^\s
1

There must be more to your code than this..

 

 

What I do find odd is how you say this works: preg_match('^\s', $xmlElem) - when you don't have a delimiter in that pattern..

[msoutopico]

Hi Josh, 

Thank you very much for your kind answer. It turns out that my code was okay, the problem was the encoding of the file. I was using UTF-16 Little Endian, because it will need to contain text in double-byte languages (Asian languages, etc.). I tried changing it to ASCII and the script worked.

 

So now I guess I need to find a way for my script to read double-byte stuff. 

 

Thanks a lot! 

 

Cheers, Manuel

[.josh]

Well tbh I don't have much experience working with double-byte languages (never really been needed for my job) but I do know that for the regex you can use the u modifier to put the regex engine in utf8 mode. There isn't a utf-16 version though (that I'm aware of) ..

 

As far as reading the file, here is a comment in fgetcsv entry that might help. Actually, this comment might be more useful to you, since it mentions utf-16 specifically.