Regular Expressions 101

Pro

\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

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sa Unicode whitespace character

\Sany character that is not Unicode whitespace

\Dany character that is not a Unicode decimal digit

Positive Lookahead(?=\s*(?:\d|$))

\s*a Unicode whitespace character, repeated any number of times

Non-Capturing Group(?:\d|$)

1st Alternative\d

\da Unicode decimal digit

2nd Alternative$

$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

\d+(?:\.\d+)*[\s\S]*?\D(?=\s*(?:\d|$))

New

1.1. FLESH; 1.1.2. BRAIN; 2. BRAIN.
1.1. FLESH
1.1.2. BRAIN
2. BRAIN

1.1. FLESH; 1.1.2. BRAIN; 2. BRAIN.
1.1. FLESH
1.1.2. BRAIN
2. BRAIN