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<?php $data = <<<DATA >0 Dollar</span >0.01 Dollar</span >0.00 Dollar</span >50.00 Dollar</span DATA; $regex = '/>\K(?=[0.]*[1-9])\d+(?:\.\d+)?+\h+Dollar(?=<)/'; preg_match_all($regex, $data, $matches); var_export($matches[0]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Onftr
function name:  (null)
number of ops:  12
compiled vars:  !0 = $data, !1 = $regex, !2 = $matches
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '%3E0+Dollar%3C%2Fspan%0A%3E0.01+Dollar%3C%2Fspan%0A%3E0.00+Dollar%3C%2Fspan+%0A%3E50.00+Dollar%3C%2Fspan'
    9     1        ASSIGN                                                       !1, '%2F%3E%5CK%28%3F%3D%5B0.%5D%2A%5B1-9%5D%29%5Cd%2B%28%3F%3A%5C.%5Cd%2B%29%3F%2B%5Ch%2BDollar%28%3F%3D%3C%29%2F'
   10     2        INIT_FCALL                                                   'preg_match_all'
          3        SEND_VAR                                                     !1
          4        SEND_VAR                                                     !0
          5        SEND_REF                                                     !2
          6        DO_ICALL                                                     
   11     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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