Regular Expressions 101

my_filethe literal text my_file (case sensitive)

\d+a digit, repeated at least once

.any character (except for line terminators)

txtthe literal text txt (case sensitive)

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

my_file\d+.txt

New

my_file1.txt
my_file2.txt
my_file3.txt
my_file4.txt
test.txt
my_file.txt
my_file4123123.txt
my_file4.pdf