Regular Expressions 101

Pro

Positive Lookbehind(?<=:\s*\b)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

\ban ASCII word boundary

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

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

1st Alternative\s*\w+:

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

\w+any word character, repeated at least once

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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.

26 tokens

(?<=:\s*\b).*?(?=\s*\w+:|$)

ITEM DESCRIPTION:  KING AUTHUR 2LB FLOUR     PACK: 10                              SIZE: 0011.00 OZ