Regular Expressions 101

Explanation

Pro

Group ip_class(?P<ip_class>A{1,4})

A{1,4}the literal A (65₁₀ / 101₈ / 41₁₆) (case sensitive), repeated between 1 and 4 times

the literal (32₁₀ / 40₈ / 20₁₆)

Group ip(?P<ip>[a-f,A-Z,0-9,:,\.]+)

Character Class[a-f,A-Z,0-9,:,\.]+

+matches at least one character from the set below:

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

Group ttl(?P<ttl>\d+)

\d+a digit, repeated at least once

Group comma_space(?P<comma_space>, )?

?repeats the group contents below at most once:

, the literal text ,

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.

25 tokens

(?P<ip_class>A{1,4}) (?P<ip>[a-f,A-Z,0-9,:,\.]+) (?P<ttl>\d+)(?P<comma_space>, )?

New

A 10.95.151.82 5, A 10.95.151.81 5, AAAA fd88:3be1:fee4:8c5d::2c 5, AAAA fd88:3be1:fee4:8c5c::2a 5

A 10.95.151.82 5, A 10.95.151.81 5, AAAA fd88:3be1:fee4:8c5d::2c 5, AAAA fd88:3be1:fee4:8c5c::2a 5