regex - Difficulty with a Regular Expression C# -


i have line text file , i'm trying create regular expression match. line of text.

    2015-01-07 wed jan 07 11:03:43.390 text here..

my regular expression match follows:

    (?<date>(?<year>(?:\d{4}|\d{2})-(?<month>\d{1,2})-(?<day>\d{1,2})))\s(?<txtentry1>.*)\s(?<txtentry2>.*)\s(?<txtentry3>.*)\s(?<time>(?<hour>\d{2}):(?<minutes>\d{2}):(?<seconds>\d{2}):(?<milli>\d{0,3}))\s(?<txtentry4>.*)\s(?<txtentry5>.*))

it doesn't match. i'm not concerned 'worded' date wed jan 07 have left text entry, rather match yo dd/mm/yy. have been trying figure our no success. can see have gone wrong?

there 2 problems regular expression

  1. there no pattern specified capture group month (now updated)
  2. you have used colon, instead of period separator between second , millisecond (?<seconds>\d{2}):(?<milli>\d{0,3}))

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