Regular Expressions 101

^start of line

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

1st Alternative\d+\.

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative[*+-]

Character Class[*+-]

*the literal * (42₁₀ / 52₈ / 2A₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

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

Non-Capturing Group(?:\r?\n(?!(?:\d+\.|[*+-]) ).*)*

*repeats the group contents below any number of times:

\r?optionally matches a carriage return (ASCII 13)

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

Negative Lookahead(?!(?:\d+\.|[*+-]) )

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

1st Alternative\d+\.

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative[*+-]

Character Class[*+-]

*the literal * (42₁₀ / 52₈ / 2A₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.*any 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

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.

Search reference

Regular Expression

^(?:\d+\.|[*+-]) .*(?:\r?\n(?!(?:\d+\.|[*+-]) ).*)*

New

1. text
2. text
  1. text
  2. text
* text
* text
  - text
  + text
1. text
  * text
  1. text
* text
  1. text
  * text