i want to search a string and find the position of the pettern, a dot followed by a number followwed by a number..
        $n=index($string,/.[0-9]./);
this code doesn't work.. anyone know wats the error??
   

Index looks for one substring in another but "without the wild card behaviour of regular expressions" according to the Perl manual - perldoc -f index.  

It's the lack of wild card facilities that's causing your match to fail.

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