Regular Expressions 101

.*?any character, repeated any number of times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 1([A-z\d\.]+)

Character Class[A-z\d\.]+

+matches at least one character from the set below:

A-zone character from A (65₁₀) to z (122₁₀) (case sensitive)

\da digit

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2(.co|.au)

1st Alternative.co

.any character

cothe literal text co (case sensitive)

2nd Alternative.au

.any character

authe literal text au (case sensitive)

Global pattern flags

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

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

.*?\.([A-z\d\.]+)(.co|.au)

New

www.google.com
www.mail.yahoo.com
www.mail.yahoo.co.in
www.abc.au.uk
www.subdoamin.domain.co.in
abc.news18.co.in/abc.php