Regular Expressions 101

Group 1([^ ]*)

Negated Character Class[^ ]*

*matches any number of characters outside the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

([^ ]*)

New

79.133.215.123 - - [14/Jun/2014:10:30:13 -0400] "GET /home HTTP/1.1" 200 1671 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36"

Regular Expression

Substitution