Regular Expressions 101

Group 1(.*\.)?

?repeats the group contents below at most once:

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

bbcthe literal text bbc (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

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

(.*\.)?bbc\..*

New

bbc.co.uk
bbc.com
analytics.bbc.org
stats2.bbc.com

dontmatchme-bbc.com
dontmatchme.also-bbc.com
v2.dontmatchme.also-bbc.com