[pmwiki-devel] regex question

[Hans]

I'd like to ask another question, which is a bit like the reversal of
the former:

I like to fix orphaned @] and =] strings in a text row, i.e.
if no previous [= or [@ is found to a =] or @]
then I like to add the corresponding [= or [@ to the beginning of the
row.

I found one solution involving two preg_match expressions,
the first checks if the row has no [@.....@] or [=....=],
the second than checks for a @] or =],
but I hope there is a simpler way than this:

if(!preg_match("/\\[([=@])(.*?)\\1\\]/", $row)
   && preg_match("/([=@])\\]/", $row, $m))
        $row = "[".$m[1].$row;


Thanks!

Hans