Thank you for your time and answer. Sorry I should have been more clear, in my actual log, the subfield and its length may vary. Below is a sample:
_raw
0209MDJXMNZOF0306852024060205
0115300013698746230030658051404101319580514050201060214
0115380013698554359030655053704101319550537060205
0209MDSHRC6H60306851854050215060204
0209MDSIU39OS0306320261060205
0209MPGHON2H60306361705050206060262
0115580013700140787030632036504101319320365060205
0115300013699266920030673054204101319730542060205
0115300013698579543030655264604101319552646060205
... View more