Regular Expressions 101

Character Class[\w.-]+

+matches at least one character from the set below:

\wa Unicode word character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

Non-Capturing Group(?:@|\[?at]?)

1st Alternative@

@the literal @ (64₁₀ / 100₈ / 40₁₆)

2nd Alternative\[?at]?

\[?optionally matches the literal [ (91₁₀ / 133₈ / 5B₁₆)

atthe literal text at (case sensitive)

]?optionally matches the literal ] (93₁₀ / 135₈ / 5D₁₆)

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[\w.-]+

+matches at least one character from the set below:

\wa Unicode word character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Non-Capturing Group(?: ?\[?dot]? ?[\w.-]+)?

?repeats the group contents below at most once:

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

\[?optionally matches the literal [ (91₁₀ / 133₈ / 5B₁₆)

dotthe literal text dot (case sensitive)

]?optionally matches the literal ] (93₁₀ / 135₈ / 5D₁₆)

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[\w.-]+

+matches at least one character from the set below:

\wa Unicode word character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

[\w.-]+ ?(?:@|\[?at]?) ?[\w.-]+(?: ?\[?dot]? ?[\w.-]+)?

New

info@example.com
info [at] example [dot] com
info at example.com info
info at example dot com