python - Match many results in the same String -


i'm trying data log file lines in different format, guaranteed important information put inside [], example:

[user] has [do something] on [system] @ [time]

or

[system] encounters [exception] @ [time]

if possible, want write single regular expression information inside each log line, i.e. regex has match many resutls in same line. example:

  • [admin] has [logged out] on [admin page] @ [monday 20 may, 11:00] return admin, logged out, admin page, monday 20 may, 11:00
  • [order page] encounters [nullpointerexception] @ [monday 20 may,
    11:00]     return orderpage, nullpointerexception, monday 20 may, 11:00

i'm working on python answers in other languages or in pure regular expression fine. thanks

>>> import re >>> text = "[admin] has [logged out] on [admin page] @ [monday 20 may, 11:00]" >>> re.findall(r'\[([^\]]*)\]', text) ['admin', 'logged out', 'admin page', 'monday 20 may, 11:00']

verbose:

>>> text = "[order page] encounters [nullpointerexception] @ [monday 20 may, 11:00]" >>> re.findall(r'''\[            # literal [ character (needs backslash escape)                      (           # save following group                        [^\]]     # match character except literal ]                        *         # match many possible of these                      )           # end group                     \]           # literal ] character ''', text, flags=re.verbose) ['order page', 'nullpointerexception', 'monday 20 may, 11:00']

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