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<?php echo preg_math("#CAPTION", '/^\#[A-Z]+$/');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZEBTa
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL_BY_NAME                                       'preg_math'
          1        SEND_VAL_EX                                              '%23CAPTION'
          2        SEND_VAL_EX                                              '%2F%5E%5C%23%5BA-Z%5D%2B%24%2F'
          3        DO_FCALL                                      0  $0      
          4        ECHO                                                     $0
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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