regex101: PCRE (Legacy) Match Workspace

Explanation

Pro

Negative Lookahead(?![^<>]*>)

Negated Character Class[^<>]*

*matches any number of characters outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 1([\w\.\-\+]+\@(?:[a-z0-9\.\-]+\.)+(?:[a-zA-Z0-9\-]{2,10}))

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 + (43₁₀ / 53₈ / 2B₁₆)

\@the literal @ (64₁₀ / 100₈ / 40₁₆)

Non-Capturing Group(?:[a-z0-9\.\-]+\.)+

+repeats the group contents below at least once:

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

+matches at least one character from the set below:

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

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:[a-zA-Z0-9\-]{2,10})

Character Class[a-zA-Z0-9\-]{2,10}

{2,10}matches between 2 and 10 characters from the set below:

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

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

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

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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

Quick Reference

25 tokens

Regular Expression

(?![^<>]*>)([\w\.\-\+]+\@(?:[a-z0-9\.\-]+\.)+(?:[a-zA-Z0-9\-]{2,10}))

New

does-match@address.com (beginning of the string)

<p>Matches HTML content: does-match@address.com</p>

Matches addresses surronded by other characters "does-match@address.com"

But does not match addresses surronded by angle brackets, which actually make it an HTML tag
<does-not-match@address.com>Invalid HTML tag</does-not-match@address.com>

Does not match attributes in HTML tags:

<img src="images/powered_by.png" title="does-not-match@address.com">

<input id="test" name="test" type="text" value="" placeholder="does-not-match@address.com">

<a href="mailto:does-not-match@address.com">does-match@address.com</a>


(ending of the string) does-match@address.com

Extraction

does-match@address.com (beginning of the string)

<p>Matches HTML content: does-match@address.com</p>

Matches addresses surronded by other characters "does-match@address.com"

But does not match addresses surronded by angle brackets, which actually make it an HTML tag
<does-not-match@address.com>Invalid HTML tag</does-not-match@address.com>

Does not match attributes in HTML tags:

<img src="images/powered_by.png" title="does-not-match@address.com">

<input id="test" name="test" type="text" value="" placeholder="does-not-match@address.com">

<a href="mailto:does-not-match@address.com">does-match@address.com</a>


(ending of the string) does-match@address.com