Regular Expressions 101

Character Class[\w]{8}

{8}matches exactly 8 characters from the set below:

\wany word character

\s+any whitespace character, repeated at least once

Group 1(INFO|WARN|ERROR)

1st AlternativeINFO

INFOthe literal text INFO (case sensitive)

2nd AlternativeWARN

WARNthe literal text WARN (case sensitive)

3rd AlternativeERROR

ERRORthe literal text ERROR (case sensitive)

\s+any whitespace character, repeated at least once

\da digit

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\da digit

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\da digit

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\da digit

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

[\w]{8}\s+(INFO|WARN|ERROR)\s+\d\d:\d\d:\d\d\.\d\d\d

New

pdlvkw6v INFO  18:25:03.994 pdlvkw6v WARN  18:25:03.994 pdlvkw6v INFO  18:25:03.994 rg9n9bz7 INFO  18:23:52.987 rg9n9bz7 ERROR  19:23:52.987 
rg9n9bz7 INFO  21:23:52.987 5y6n9bz7 WARN  18:23:52.987

Regular Expression

Substitution