Regular Expressions 101

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

Group 1(\b(?:AND|OR|NOT)\b|[()])

1st Alternative\b(?:AND|OR|NOT)\b

\ba Unicode word boundary

Non-Capturing Group(?:AND|OR|NOT)

1st AlternativeAND

ANDthe literal text AND (case sensitive)

2nd AlternativeOR

ORthe literal text OR (case sensitive)

3rd AlternativeNOT

NOTthe literal text NOT (case sensitive)

\ba Unicode word boundary

2nd Alternative[()]

Character Class[()]

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\s*a Unicode 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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

\s*(\b(?:AND|OR|NOT)\b|[()])\s*

New

Frank and Bob are nice AND NOT (Henry is good OR Sam is 102 years old)