Regular Expressions 101

Explanation
Pro

^start of line

Group 1(.*\.\d{1,})

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{1,}a digit, repeated at least once

$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

^(.*\.\d{1,})$

New

name.
File Name.
name.abc
name.1
name.123
name.123.abc
File name.aaa.123