Regular Expressions 101

Explanation

Pro

\ban ASCII word boundary

Character Class[A-Z]

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

\S*any non-whitespace character, repeated any number of times

Non-Capturing Group(?:\s+[^A-Z\s]\S*)*

*repeats the group contents below any number of times:

\s+any whitespace character, repeated at least once

Negated Character Class[^A-Z\s]

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

\sany whitespace character

\S*any non-whitespace character, 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

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25 tokens

\b[A-Z]\S*(?:\s+[^A-Z\s]\S*)*

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