Regular Expressions 101

^start of string

Group 1((\w{2}\.){2})

Group 2(\w{2}\.){2}

{2}repeats the group contents below exactly 2 times:

\w{2}any word character, repeated exactly 2 times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\w{2}any word character, repeated exactly 2 times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 3(.*)

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

$end of string, or before its final line terminator

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^((\w{2}\.){2})\w{2}\.(.*)$

New

aa.bb.cc.dd.ee.xx

\1NN.\3