Regular Expressions 101

Pro

<divthe literal text <div (case sensitive)

.*?any character (except for line terminators), repeated any number of times

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 1((?:(?!<\/?div)[\s\S]|(?R))*)

Non-Capturing Group(?:(?!<\/?div)[\s\S]|(?R))*

*repeats the group contents below any number of times:

1st Alternative(?!<\/?div)[\s\S]

Negative Lookahead(?!<\/?div)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

divthe literal text div (case sensitive)

Character Class[\s\S]

\sany whitespace character

\Sany non-whitespace character

2nd Alternative(?R)

(?R)recurses into the entire pattern

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

div>the literal text div> (case sensitive)

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

<div.*?>((?:(?!<\/?div)[\s\S]|(?R))*)<\/div>

New

<div class="my-class additional-class"><div class="my-class2">
<div class="my-class"></div>
</div>

</div>
</div>

<div class="my-class additional-class"><div class="my-class2">
<div class="my-class"></div>
</div>

</div>
</div>