Regular Expressions 101

Pro

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

Negated Character Class[^\s@]*

*matches any number of characters outside the set below:

\sa Unicode whitespace character

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Positive Lookahead(?=@)

@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.

25 tokens

\+[^\s@]*(?=@)

New

john+1@gmail
john+sometext@gmail.com
john+som_et?ext@gmail.com
john+som_et.ext@gmail.com

john+1@gmail
john+sometext@gmail.com
john+som_et?ext@gmail.com
john+som_et.ext@gmail.com