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<?php $prefix = 'Korvin!~Korvin@concrete5/79063/Korvin'; $matches = array(); if (preg_match_all('/(.+?)!(.+?)@(.+?)/', $prefix, $matches)) { var_dump($matches); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 11
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename:       /in/hbLAP
function name:  (null)
number of ops:  12
compiled vars:  !0 = $prefix, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'Korvin%21%7EKorvin%40concrete5%2F79063%2FKorvin'
    4     1        ASSIGN                                                   !1, <array>
    5     2        INIT_FCALL                                               'preg_match_all'
          3        SEND_VAL                                                 '%2F%28.%2B%3F%29%21%28.%2B%3F%29%40%28.%2B%3F%29%2F'
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !1
          6        DO_ICALL                                         $4      
          7      > JMPZ                                                     $4, ->11
    6     8    >   INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
    7    11    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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