Regular Expressions 101

^start of line

Group 1(.*\S\R)

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

\Sany non-whitespace character

\Ra newline sequence

Group 2(\d)

\da digit

Group 3(\R0)

\Ra newline sequence

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

$end of line

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

^(.*\S\R)(\d)(\R0)$

New

ABC
5
0
gdfgdfg
-----------
GHN
3
0
ffffffff
fffff
ffff
trte
-------------
H
1
0
----------------

$1$3