regex101: PCRE (Legacy) Match Workspace

^start of line

\d{1,2}a digit, repeated between 1 and 2 times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[ ]

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[a-zA-Z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

Non-Capturing Group(?:\r?\n(?!\d{1,2}\.[ ][a-zA-Z]).*)*

*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{1,2}\.[ ][a-zA-Z])

\d{1,2}a digit, repeated between 1 and 2 times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[ ]

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[a-zA-Z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

.*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

25 tokens

Regular Expression

^\d{1,2}\.[ ][a-zA-Z].*(?:\r?\n(?!\d{1,2}\.[ ][a-zA-Z]).*)*

New

1. SOMEONE SOMEONE SOMEONE
SOMEONE SOMEONE SOMEONE SOMEONE SOMEONE
SOMEONE SOMEONE SOMEONE SOMEONE SOMEONE
2. SOMETHING SOMETHING SOMETHING
SOMETHING SOMETHING SOMETHING SOMETHING SOMETHING SOMETHING
SOMETHING SOMETHING SOMETHING
SOMETHING SOMETHING SOMETHING
3. SOMEHOW SOMEHOW
SOMEHOW SOMEHOW SOMEHOW SOMEHOW SOMEHOW 
4. SOMEWHERE SOMEWHERE SOMEWHERE SOMEWHERE

Substitution

1. SOMEONE SOMEONE SOMEONE
SOMEONE SOMEONE SOMEONE SOMEONE SOMEONE
SOMEONE SOMEONE SOMEONE SOMEONE SOMEONE
2. SOMETHING SOMETHING SOMETHING
SOMETHING SOMETHING SOMETHING SOMETHING SOMETHING SOMETHING
SOMETHING SOMETHING SOMETHING
SOMETHING SOMETHING SOMETHING
3. SOMEHOW SOMEHOW
SOMEHOW SOMEHOW SOMEHOW SOMEHOW SOMEHOW 
4. SOMEWHERE SOMEWHERE SOMEWHERE SOMEWHERE