Regular Expressions 101

APPLE BANANA the literal text APPLE BANANA (case sensitive)

Group 1(CARROT\s+)

CARROTthe literal text CARROT (case sensitive)

\s+any whitespace character, repeated at least once

Negative Lookahead(?!VEGETABLE)

VEGETABLEthe literal text VEGETABLE (case sensitive)

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.

Search reference

Regular Expression

APPLE BANANA (CARROT\s+)(?!VEGETABLE)

New

APPLE BANANA CARROT FRUIT
APPLE BANANA VEGETABLE FRUIT
APPLE BANANA NOT FRUIT
APPLE BANANA CARROT 
APPLE BANANA CARROT FRUIT VEGETABLE

APPLE BANANA CARROT VEGETABLE FRUIT

Regular Expression

Substitution