Regular Expressions 101

Positive Lookbehind(?<=_)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Group 1(\d+$)

\d+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

Regular Expression

(?<=_)(\d+$)

New

I have 104 digits

This is supposed to remove digits from the suffix like 501

This only works if the suffix is preceeded by an underscore, like this_420

Regular Expression

Substitution