Tag: Grok

I use the following regular expression:

INT (?:[+-]?(?:[0- 9]+))
VALUE ([0-9]+)
SPACE \s*
DATA .*?
USERNAME [a-zA-Z0-9._- ]+
YEAR (?>\d\d){1,2}
MONTHNUM (?:0?[1-9]|1[0-2])
MONTHDAY (? :(?:0[1