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<?php var_dump("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QtI0G
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        SEND_VAL                                                 '%5E%5B_a-z0-9-%5D%2B%28%5C.%5B_a-z0-9-%5D%2B%29%2A%40%5Ba-z0-9-%5D%2B%28%5C.%5Ba-z0-9-%5D%2B%29%2A%28%5C.%5Ba-z%5D%7B2%2C3%7D%29%24'
          2        DO_ICALL                                                 
          3      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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