Regular Expressions 101

Character Class[a-z0-9.-_]+

+matches at least one character from the set below:

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

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

.-_one character from . (46₁₀) to _ (95₁₀)

Negated Character Class[^A-Z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Character Class[a-z0-9.-]{2,}

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

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

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

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[.]{1}

{1}matches one character from the set below:

.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)

No unit tests · Add a test to get started

Search reference

Regular Expression

[a-z0-9.-_]+[^A-Z]@[a-z0-9.-]{2,}[.]{1}[a-z]{2,}

There are no unit tests, click to add some.