Regular Expressions 101

Pro

Group host(?P<host>.*?)

.*?any Unicode character (except for line terminators), repeated any number of times

- the literal text -

Group username(?P<username>\w+)

\w+a Unicode word character, repeated at least once

the literal (32₁₀ / 40₈ / 20₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group date(?P<date>[^][]*)

Negated Character Class[^][]*

*matches any number of characters outside the set below:

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

] "the literal text ] "

Group req(?P<req>[^"]+)

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Global pattern flags

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

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

(?P<host>.*?) - (?P<username>\w+) \[(?P<date>[^][]*)] "(?P<req>[^"]+)"

219.133.7.154 - price5585 [21/Jun/2019:15:45:53 -0700] "GET /incubate/incubate HTTP/1.1" 201 12126