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<?php if(preg_match("#^[a-z0-9._-]+@[a-z0-9._-]{2,}\.[a-z]{2,4}$#", "youmew@gmail.com")) { echo "lol"; } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
filename:       /in/TM0Xn
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%23%5E%5Ba-z0-9._-%5D%2B%40%5Ba-z0-9._-%5D%7B2%2C%7D%5C.%5Ba-z%5D%7B2%2C4%7D%24%23'
          2        SEND_VAL                                                 'youmew%40gmail.com'
          3        DO_ICALL                                         $0      
          4      > JMPZ                                                     $0, ->6
    4     5    >   ECHO                                                     'lol'
    6     6    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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