Regular Expressions 101

Pro

\s+a Unicode whitespace character, repeated at least once

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

Non-Capturing Group(?:\.\d+)*

*repeats the group contents below any number of times:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a Unicode decimal 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

\s+\d+(?:\.\d+)*$

bits
scrap 1.2
bits and pieces
junk 3.4.2

bits
scrap 1.2
bits and pieces
junk 3.4.2