Regular Expressions 101

Explanation

Pro

Group 1([^0-9\n]+)

Negated Character Class[^0-9\n]+

+matches at least one character outside the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

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

Character Class[0-9]?

?matches at most one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

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

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

No unit tests

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25 tokens

([^0-9\n]+)[0-9]?.*

There are no unit tests.