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<?php echo preg_match('#^[a-z\d+\.-]+:\S+\z#i', 'ts3server://foo.bar') ? 'y' : 'n';
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OoBrS
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%23%5E%5Ba-z%5Cd%2B%5C.-%5D%2B%3A%5CS%2B%5Cz%23i'
          2        SEND_VAL                                                 'ts3server%3A%2F%2Ffoo.bar'
          3        DO_ICALL                                         $0      
          4      > JMPZ                                                     $0, ->7
          5    >   QM_ASSIGN                                        ~1      'y'
          6      > JMP                                                      ->8
          7    >   QM_ASSIGN                                        ~1      'n'
          8    >   ECHO                                                     ~1
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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