Regular Expressions 101

Pro

\w+any word character, repeated at least once

Non-Capturing Group(?:-\w+)*

*repeats the group contents below any number of times:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\w+any word character, repeated at least once

Positive Lookahead(?=[^\S\r\n]+[A-Z]+\b)

Negated Character Class[^\S\r\n]+

+matches at least one character outside the set below:

\Sany non-whitespace character

\ra carriage return (ASCII 13)

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

Character Class[A-Z]+

+matches at least one character from the set below:

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

\ban ASCII word boundary

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.

25 tokens

\w+(?:-\w+)*(?=[^\S\r\n]+[A-Z]+\b)

New

Mister Foo BAR is here
Miss Bar-Barz FOO loves cats

Mister Foo BAR is here
Miss Bar-Barz FOO loves cats