Regular Expressions 101

Pro

^start of line

Negated Character Class[^@]*

*matches any number of characters outside the set below:

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Negated Character Class[^@]*

*matches any number of characters outside the set below:

@the literal @ (64₁₀ / 100₈ / 40₁₆)

$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.

25 tokens

^[^@]*@[^@]*$

New

@foobar
foo@bar
foobar@
fooba@r
@@foobar
@foo@bar
foo@b@ar