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Thread: Having trouble with my preg_replace_callback()

  1. #16
    Join Date
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    Quote Originally Posted by jeddik View Post
    Oh - and you may notice I still used my (.+?)
    what was the advantage of ([\w\W]*?) ??
    Your expression will work with single lined data, if for some reason the content between your tags spanned multiple lines then the expression would not match.
    . Matches any single character except "\n". To match any character including the '\n', use a pattern such as '[\s\S]'.
    I used [\w\W], but it's the same thing really.

    I'm not sure about how to pass extra parameters to a callback at the moment, I probably would have used a global variable, but I'm not going to say more about to save face :P
    Last edited by bionoid; 12-23-2013 at 06:23 PM.
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  2. #17
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    Note that you can add a "s" modifier after the closing regex delimiter to have the dot character include newlines.
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  3. #18
    Join Date
    May 2006
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    OK - thanks to both.

    I added/changed these lines then:

    global $lang_cd;

    and this:

    PHP Code:
    $test_output2 preg_replace_callback(
        
    '/\[hd[1-6]\](.+?)\[\/hd\]/s',
        
    'titleCase',
        
    $test); 
    Seems to be working OK

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  4. #19
    Join Date
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    Quote Originally Posted by NogDog View Post
    Note that you can add a "s" modifier after the closing regex delimiter to have the dot character include newlines.
    Good to know.

    The description I posted was from the JavaScript RegExp object, and didn't think to look if PHP had its own proprietary flags.
    For anyone interested in the possible pattern modifiers: http://php.net/manual/en/reference.p....modifiers.php
    JavaScript: Learn | Validate | Compact | bionoid

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