Regular Expressions 101

ad</div>the literal text ad</div> (case sensitive)

Group 1((?!<div>).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!<div>)

<div>the literal text <div> (case sensitive)

.any Unicode character

<div>the literal text <div> (case sensitive)

Group 2(((?!<\/div>).)*)

Group 3((?!<\/div>).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!<\/div>)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

div>the literal text div> (case sensitive)

.any Unicode character

</div>the literal text </div> (case sensitive)

Global pattern flags

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

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

ad</div>((?!<div>).)*<div>(((?!<\/div>).)*)</div>

""" <div>ad</div>  \n\n <div> correct 
value  </div>  <div> wrong value </div>   """