regex101: Get email info

Pro

^start of string

Group User(?<User>[_a-z0-9-]+(\.[_a-z0-9-]+(?<GmailTag>\+[_a-z0-9-]+){1,1})*)

Character Class[_a-z0-9-]+

+matches at least one character from the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

a-zone character from a (97₁₀) to z (122₁₀) (case insensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 2(\.[_a-z0-9-]+(?<GmailTag>\+[_a-z0-9-]+){1,1})*

*repeats the group contents below any number of times:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[_a-z0-9-]+

+matches at least one character from the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

a-zone character from a (97₁₀) to z (122₁₀) (case insensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group GmailTag(?<GmailTag>\+[_a-z0-9-]+){1,1}

{1,1}repeats the group contents below exactly 1 time:

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

Character Class[_a-z0-9-]+

+matches at least one character from the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

a-zone character from a (97₁₀) to z (122₁₀) (case insensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Group Host(?<Host>[a-z0-9-]+(\.[a-z0-9-]+)*\.[a-z]{2,4})

Character Class[a-z0-9-]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case insensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 5(\.[a-z0-9-]+)*

*repeats the group contents below any number of times:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-z0-9-]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case insensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-z]{2,4}

{2,4}matches between 2 and 4 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case insensitive)

$end of string, or before its final line terminator

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

25 tokens

Regular Expression

^(?<User>[_a-z0-9-]+(\.[_a-z0-9-]+(?<GmailTag>\+[_a-z0-9-]+){1,1})*)@(?<Host>[a-z0-9-]+(\.[a-z0-9-]+)*\.[a-z]{2,4})$

New

kevimetal.matyrock+pruebasdecolegios@google.mail.com

Substitution

kevimetal.matyrock+pruebasdecolegios@google.mail.com