Regular Expressions 101

Group 1(\d+)

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2(\d+)

\d+a digit, repeated at least once

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

Group 3(.+?)

.+?any character, repeated at least once

Group 4(\n)

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

Atomic Group(?>\d|$)

1st Alternative\d

\da digit

2nd Alternative$

$end of string, or before its final line terminator

Global pattern flags

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(\d+)\.(\d+)\s*-\s*(.+?)(\n)(?>\d|$)

New

1.1 - Hello
1.2 - world!
2.1 - Some
data
here and it contains some 32 digits so i cannot use \D+
2.2 - Etc..