Regular Expressions 101

Pro

Branch Reset Group(?|.*?\b(hello)\b|.*?\b(hey)\b|.*?\b(hi)\b)

1st Alternative.*?\b(hello)\b

.*?any character (except for line terminators), repeated any number of times

\ban ASCII word boundary

Group 1(hello)

hellothe literal text hello (case sensitive)

\ban ASCII word boundary

2nd Alternative.*?\b(hey)\b

.*?any character (except for line terminators), repeated any number of times

\ban ASCII word boundary

Group 1(hey)

heythe literal text hey (case sensitive)

\ban ASCII word boundary

3rd Alternative.*?\b(hi)\b

.*?any character (except for line terminators), repeated any number of times

\ban ASCII word boundary

Group 1(hi)

hithe literal text hi (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

(?|.*?\b(hello)\b|.*?\b(hey)\b|.*?\b(hi)\b)

New

hi hey hello
hi hey
hi