Regular Expressions 101

Pro

Negative Lookbehind(?<!\S)

\Sany character that is not Unicode whitespace

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\sa Unicode whitespace character

Group 1((?:\d+\.\s)*[^\s.,:!?]+)

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

*repeats the group contents below any number of times:

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\sa Unicode whitespace character

Negated Character Class[^\s.,:!?]+

+matches at least one character outside the set below:

\sa Unicode whitespace character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

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+\.\s((?:\d+\.\s)*[^\s.,:!?]+)

New

1. text

2. wordX wordY.
3. 4. wordZ.