regexp help

Hi,
    I have a regexp library requirement :


    that can treat uint16_t or uint32_t as alphabets
    and allow metacharacters :


    .
    *
    +
    []
      ?
      ( )
      {m,n} ( atleast m atmost n )
    ^
    $




allow regexp like :
                ^500 400 900$
                (400 | 500)+ [900-1200] 200 .* 300? 555$
                ^(300 | 400)$


etc.


  The match data is expected as a stream of
    uint16_t e.g 300 500 600 900
    or uint32_t


  But all the regexp libraries i am seeing treat ascii
  character as an alphabet.


Please help,
Thanks,
-pm

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