Regular Expressions 101

Group 1(\p{Lu}\w+)

\p{Lu}an uppercase letter

\w+any word character, repeated at least once

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group 2(\s?[.\s@\w\-]+)

\s?optionally matches any whitespace character

Character Class[.\s@\w\-]+

+matches at least one character from the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\sany whitespace character

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\wany word character

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

(\p{Lu}\w+)=(\s?[.\s@\w\-]+)

New

Dec 17 10:08:38 10.52.137.1 Apr 3 22:46:57 2012 930|RTR-944 %%10SC/6/SC_AAA_LAUNCH(l): |DevIP=10.52.137.1|AAAType=AUTHEN|AAAScheme= hwtacacs-scheme tacacs|Service=login|UserName=monitor@system; AAA launched.
DevIP=10.52.137.1|AAAType=AUTHEN|AAAScheme= hwtacacs-scheme tacacs|Service=login|UserName=monitor@system

Regular Expression

Extraction