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I have installed and enabled BBcode, BUEditor, Extensible BBcode and Advanced Forum modules on my site. I would like use BBcodes to post the topics in forum. When I post the topic with any value [for e.g [b]this is a test data[/b]] and submit the posting I see the raw data displayed without BBcode formatting.

Not sure what is going wrong. I see the errors in the drupal logs.

Warning: preg_match_all(): Compilation failed: unrecognized character after (?< at offset 5 in XBBCodeFilter->process() (line 42 of /var/web/sites/all/modules/xbbcode/xbbcode.filter.inc).

Appreciate your help.

Thanks

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xbbcode maintainer here.

It seems that the module uses a Regex syntax that was introduced in PHP 5.2.2: http://php.net/manual/de/regexp.reference.subpatterns.php

I'll release a fix when I can; it's a pretty small code change: For each occurrence of (?<...> in the pattern, insert a P to make it (?P<...>.

Alternatively, you can fix it by upgrading to PHP 5.2.2 or later.

Edit: In fact, Drupal 7's minimum requirements mention PHP 5.2.5 (https://www.drupal.org/docs/7/system-requirements/overview).

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