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<?php echo intval(false === preg_match("#^[a-z0-9.:\s{}\-/\#\\\]+$#i", '1214L.785', $matches));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lhoME
function name:  (null)
number of ops:  9
compiled vars:  !0 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%23%5E%5Ba-z0-9.%3A%5Cs%7B%7D%5C-%2F%5C%23%5C%5C%5D%2B%24%23i'
          2        SEND_VAL                                                 '1214L.785'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                         $1      
          5        TYPE_CHECK                                    4  ~2      $1
          6        CAST                                          4  ~3      ~2
          7        ECHO                                                     ~3
    3     8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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