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 - (45₁₀ / 55₈ / 2D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

@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 - (45₁₀ / 55₈ / 2D₁₆)

Group 3(\.[\w.-]+)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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)

$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

Regular Expression

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

Created by David Carroll for Question on SoloLearn:
 - https://www.sololearn.com/Discuss/1940608/?ref=app
 - Also see: For List of TLD possibilities:
    - https://regex101.com/r/9ugQHy/4
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Sample Data
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example@example.com
example@example.net
example@example.com
d.c-123@some-domain.uk.com