Regular Expressions 101

Pro

\ba Unicode word boundary

hethe literal text he (case sensitive)

Negative Lookahead(?!\S)

\Sany character that is not Unicode whitespace

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

\bhe(?!\S)

New

he is hey! he!
he is he!
he hey! he!

he is hey!
he is he!
he
testhey
testhe
 test he is hey!! he

he is hey! he!
he is he!
he hey! he!

he is hey!
he is he!
he
testhey
testhe
 test he is hey!! he