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<?php preg_match( '/^d{1,2}:\d{1,2}$/', "ORDINARIA do dia 03/02/2014, SEGUNDA-FEIRA, às 13:00 horas, podendo, ", $matches); echo $matches[1]; // 1234
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bdTG2
function name:  (null)
number of ops:  8
compiled vars:  !0 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%5Ed%7B1%2C2%7D%3A%5Cd%7B1%2C2%7D%24%2F'
          2        SEND_VAL                                                 'ORDINARIA+do+dia+03%2F02%2F2014%2C+SEGUNDA-FEIRA%2C+%C3%A0s+13%3A00+horas%2C+podendo%2C+'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                                 
    3     5        FETCH_DIM_R                                      ~2      !0, 1
          6        ECHO                                                     ~2
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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