Regular Expressions 101

Positive Lookbehind(?<=\bREF)

\ba Unicode word boundary

REFthe literal text REF (case sensitive)

Negative Lookahead(?!:)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

(?<=\bREF)(?!:)

New

DBZ:00000*{6000}/ONE/REFFERRARO REF:FINE DOGS*

DBZ:00000*{6000}/ONE/REFFERRARO REF:FINE DOGS*