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<?php (!preg_match("/([\w\-]+\@[\w\-]+\[\w\-]+)/", "maragathamani.b@gmail.com", $matches)); echo $matches[0]; // 1234
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YOT97
function name:  (null)
number of ops:  9
compiled vars:  !0 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%28%5B%5Cw%5C-%5D%2B%5C%40%5B%5Cw%5C-%5D%2B%5C%5B%5Cw%5C-%5D%2B%29%2F'
          2        SEND_VAL                                                 'maragathamani.b%40gmail.com'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                         $1      
          5        BOOL_NOT                                         ~2      $1
    3     6        FETCH_DIM_R                                      ~3      !0, 0
          7        ECHO                                                     ~3
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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