Regular Expressions 101

Explanation

Pro

1st Alternative\d+

\d+a Unicode decimal digit, repeated at least once

2nd Alternative#+

#+the literal # (35₁₀ / 43₈ / 23₁₆) , repeated at least once

3rd Alternative@+

@+the literal @ (64₁₀ / 100₈ / 40₁₆) , repeated at least once

4th Alternative[^#@\d\n]+

Negated Character Class[^#@\d\n]+

+matches at least one character outside the set below:

#the literal # (35₁₀ / 43₈ / 23₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\da Unicode decimal digit

\na line-feed (newline) character (ASCII 10)

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+|#+|@+|[^#@\d\n]+

New

image.0001
image###
###image###
image001
image_001
001
0001.image
001image
001_image
image
01_image01
03_image01