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<?php echo preg_match ('/^[\w\d\.\_\%\+\-]+@[\w\d\.\-]+\.\w{2,4}$/', '1234567890');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gjKnI
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%5E%5B%5Cw%5Cd%5C.%5C_%5C%25%5C%2B%5C-%5D%2B%40%5B%5Cw%5Cd%5C.%5C-%5D%2B%5C.%5Cw%7B2%2C4%7D%24%2F'
          2        SEND_VAL                                                 '1234567890'
          3        DO_ICALL                                         $0      
          4        ECHO                                                     $0
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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