Regular Expressions 101

Pro

XXX_the literal text XXX_ (case sensitive)

Negated Character Class[^\n#]*

*matches any number of characters outside the set below:

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

#the literal # (35₁₀ / 43₈ / 23₁₆)

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

XXX_[^\n#]*#(\d+)$

New

XXX_YYY

XXX_YYY#12235

XXX_YYY#12281

XXX_YYY#12318

XXX_YYY

XXX_YYY#12235

XXX_YYY#12281

XXX_YYY#12318