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<?php var_dump(preg_match('/^#{1,6}\s*(.+)\s*$/', '# Hello') === 1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/q2gUM
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5E%23%7B1%2C6%7D%5Cs%2A%28.%2B%29%5Cs%2A%24%2F'
          3        SEND_VAL                                                 '%23+Hello'
          4        DO_ICALL                                         $0      
          5        IS_IDENTICAL                                     ~1      $0, 1
          6        SEND_VAL                                                 ~1
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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