Regular Expressions 101

^start of line

Group 1(.*\.)

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2(exe|mp3|mp4)

1st Alternativeexe

exethe literal text exe (case sensitive)

2nd Alternativemp3

mp3the literal text mp3 (case sensitive)

3rd Alternativemp4

mp4the literal text mp4 (case sensitive)

$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

^(.*\.)(exe|mp3|mp4)$

anything_you_wish_here.exe
anything_you_wish_here.mp4
anything_you_wish_here.mp3
anything_you_wish_here.jpg
anything_you_wish_here.png