Regular Expressions 101

Group 1(ERROR|WARNING|INFO)

1st AlternativeERROR

ERRORthe literal text ERROR (case sensitive)

2nd AlternativeWARNING

WARNINGthe literal text WARNING (case sensitive)

3rd AlternativeINFO

INFOthe literal text INFO (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 2([^:]+)

Negated Character Class[^:]+

+matches at least one character outside the set below:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 3(\d+)

\d+a digit, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 4(\d+)

\d+a digit, repeated at least once

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 5(.+)

.+any character (except for line terminators), repeated at least once

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.

Search reference

Regular Expression

(ERROR|WARNING|INFO):([^:]+):(\d+),(\d+):(.+)

New

ERROR:src/sample.js:10,12:This is the message