Regular Expressions 101

^start of line

Negated Character Class[^@\s]+

+matches at least one character outside the set below:

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\sany whitespace character

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Negated Character Class[^@\s]+

+matches at least one character outside the set below:

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\sany whitespace character

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-z]{2,}

{2,}matches at least 2 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (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.

Search reference

Regular Expression

^[^@\s]+@[^@\s]+\.[a-z]{2,}$

New

I want to check email format like
email : 
Heythere123@something.com
 // passed
but 
email: 
Heythere123@something.com2222
 // should not pass
email: 
Heythere123@something.com#$@!
 // shuuld not pass

Regular Expression

Substitution