Regular Expressions 101

^start of line

Negated Character Class[^\s@]+

+matches at least one character outside the set below:

\sany whitespace character

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Non-Capturing Group(?:[^\s@.]+\.)*

*repeats the group contents below any number of times:

Negated Character Class[^\s@.]+

+matches at least one character outside the set below:

\sany whitespace character

@the literal @ (64₁₀ / 100₈ / 40₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

canadathe literal text canada (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

cathe literal text ca (case sensitive)

$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.

26 tokens

Regular Expression

^[^\s@]+@(?:[^\s@.]+\.)*canada\.ca$

New

joe@canada.ca
joe@it.canada.ca
joe.smith@business.canada.ca
joe@visitcanada.ca

joe@canada.ca
joe@it.canada.ca
joe.smith@business.canada.ca
joe@visitcanada.ca