Regular Expressions 101

^start of string

Group 1(.*)

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

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group 2([0-9]+)

Character Class[0-9]+

+matches at least one character from the set below:

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

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

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

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

^(.*)\[([0-9]+).*?\](.*)$

New

db[3-4].abc.xyz.pqr.abc.abc.com