Regular Expressions 101

Explanation
Pro

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

ERRORthe literal text ERROR (case sensitive)

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

:program2the literal text :program2 (case sensitive)

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

\[ERROR\:.*?:program2

[ERROR:location1:program1.34]
[ERROR:location10:program2.10]
[ERROR:location4:program2.45]
[ERROR:location9:program1.30]
[ERROR:location2:program2.60]
[INFO:location2:program2.60]
[WARN:location4:program2.45]

Extraction

[ERROR:location1:program1.34]
[ERROR:location10:program2.10]
[ERROR:location4:program2.45]
[ERROR:location9:program1.30]
[ERROR:location2:program2.60]
[INFO:location2:program2.60]
[WARN:location4:program2.45]