Regular Expressions 101

Positive Lookbehind(?<=@)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Group 1([^\s]+)

Negated Character Class[^\s]+

+matches at least one character outside the set below:

\sa Unicode whitespace character

Positive Lookahead(?=\s|$)

1st Alternative\s

\sa Unicode whitespace character

2nd Alternative$

$end of string, or before its final line terminator

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(?<=@)([^\s]+)(?=\s|$)

New

nicky@nike.com

nicky@nike-affiliates.com

nicky@somesite.co.uk and some words for whatever reason

nicky@nike.com

nicky@nike-affiliates.com

nicky@somesite.co.uk and some words for whatever reason