Regular Expressions 101

Pro

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

\hany horizontal whitespace character

Group 1([a-zA-Z0-9]{8})

Character Class[a-zA-Z0-9]{8}

{8}matches exactly 8 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

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

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

$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.

25 tokens

Regular Expression

.*\h([a-zA-Z0-9]{8})$

New

Folder A\Folder C\File three.txt         56efd95f
Folder A\File one.txt                    b8e1b873
Folder A\Folder B\Folder D\File four.txt 56efd95f
Folder A\Folder B\File two.txt           21e8e9c9

Substitution

$1

Folder A\Folder C\File three.txt         56efd95f
Folder A\File one.txt                    b8e1b873
Folder A\Folder B\Folder D\File four.txt 56efd95f
Folder A\Folder B\File two.txt           21e8e9c9