Regular Expressions 101

Group 1(\S*)

\S*any non-whitespace character, repeated any number of times

Negated Character Class[^\[]*

*matches any number of characters outside the set below:

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group 2(\S*)

\S*any non-whitespace character, repeated any number of times

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(\S*)[^\[]*\[(\S*)

New

241.78.197.101 - 6734 [05/Jan/2015:16:53:26:367 -0800] "PUT /account/transfer HTTP/1.0" 200 427