Regular Expressions 101

Pro

Group 1([^\s@])

Negated Character Class[^\s@]

\sany whitespace character

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Group 2([^\s@]*)

Negated Character Class[^\s@]*

*matches any number of characters outside the set below:

\sany whitespace character

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Group 3([^\s@])

Negated Character Class[^\s@]

\sany whitespace character

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Group 4([^\s@]*)

Negated Character Class[^\s@]*

*matches any number of characters outside the set below:

\sany whitespace character

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Group 5(\.[^\s.@]+)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Negated Character Class[^\s.@]+

+matches at least one character outside the set below:

\sany whitespace character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

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.

26 tokens

([^\s@])([^\s@]*)@([^\s@])([^\s@]*)(\.[^\s.@]+)

New

exampleEmail@example.com
a@e.co.uk
ab@ab.co.uk
test

exampleEmail@example.com
a@e.co.uk
ab@ab.co.uk
test