Regular Expressions 101

Pro

^start of line

Group 1([\w.-]+)

Character Class[\w.-]+

+matches at least one character from the set below:

\wany word character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Group 2([\w.-]+)

Character Class[\w.-]+

+matches at least one character from the set below:

\wany word character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 3(\.\w+)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\w+any word character, repeated at least once

$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.

25 tokens

^([\w.-]+)@([\w.-]+)(\.\w+)$

New

x@x.com
x.x@x.com
xx@xxx.com
x.x@xxx.com
x.x.x@xxx.com
x@x.x.x.com
x@x.x.com

na.va.waterloo@deal.rena.com
etc...
caps@avi.trav