Regular Expressions 101

Pro

^start of line

Character Class[\w]

\wany word character

Group 1([^@\s,;]+)

Negated Character Class[^@\s,;]+

+matches at least one character outside the set below:

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\sany whitespace character

,the literal , (44₁₀ / 54₈ / 2C₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Non-Capturing Group(?:([\w-]+\.)+edu|mypost\.com)

1st Alternative([\w-]+\.)+edu

Group 2([\w-]+\.)+

+repeats the group contents below at least once:

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)

eduthe literal text edu (case sensitive)

2nd Alternativemypost\.com

mypostthe literal text mypost (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

comthe literal text com (case sensitive)

$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]([^@\s,;]+)@(?:([\w-]+\.)+edu|mypost\.com)$

New

john@learn.edu
john@learn.sdasd.edu

john@mypost.com
john@gmail.com

john@dblist.org

john@learn.edu
john@learn.sdasd.edu

john@mypost.com
john@gmail.com

john@dblist.org