Regular Expressions 101

^start of line

Group 1((?!foo|bar).)+

+repeats the group contents below at least once:

Negative Lookahead(?!foo|bar)

1st Alternativefoo

foothe literal text foo (case sensitive)

2nd Alternativebar

barthe literal text bar (case sensitive)

.any character (except for line terminators)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

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

$end of line

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

^((?!foo|bar).)+@.*$

New

abcfooxyz@domain.com
barabc@domain.com
barabc@domainfoo.com
abcxyz@domainfoo.com
pqrabc@domainbar.com
pqrabc@domain.com