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<?php $re = '/_[0-9a-z]{24}(*SKIP)(*FAIL)|[a-z]+(?:_[a-z]+)*/'; $str = 'hello word some_stuff other_stuff_607eea770b6d00003d001579 something'; preg_match_all($re, $str, $matches); var_export($matches[0]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i46Wb
function name:  (null)
number of ops:  12
compiled vars:  !0 = $re, !1 = $str, !2 = $matches
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '%2F_%5B0-9a-z%5D%7B24%7D%28%2ASKIP%29%28%2AFAIL%29%7C%5Ba-z%5D%2B%28%3F%3A_%5Ba-z%5D%2B%29%2A%2F'
    4     1        ASSIGN                                                       !1, 'hello+word+some_stuff+other_stuff_607eea770b6d00003d001579+something'
    6     2        INIT_FCALL                                                   'preg_match_all'
          3        SEND_VAR                                                     !0
          4        SEND_VAR                                                     !1
          5        SEND_REF                                                     !2
          6        DO_ICALL                                                     
    8     7        INIT_FCALL                                                   'var_export'
          8        FETCH_DIM_R                                          ~6      !2, 0
          9        SEND_VAL                                                     ~6
         10        DO_ICALL                                                     
         11      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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