Regular Expressions 101

Explanation

Pro

(?m)applies the following effective flags to the remainder of the pattern: gm

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

Non-Capturing Group(?:\d+\.){3}

{3}repeats the group contents below exactly 3 times:

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

$end of line

Global pattern flags

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(?m)(?:\d+\.){3}\d+$

New

4:16:09PM - xx yy DOS activity from 10.0.0.45
9:43:44PM - xx yy 1A disconnected from server
2:40:28AM - xx yy 1A connected
1:21:52AM - xx yy DOS activity from 192.168.123.4