Regular Expressions 101

<p>the literal text <p> (case insensitive)

Group 1((?=[^.])(?:.(?!\.))*?)

Positive Lookahead(?=[^.])

Negated Character Class[^.]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:.(?!\.))*?

*?repeats the group contents below any number of times:

.any character (except for line terminators)

Negative Lookahead(?!\.)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

p>the literal text p> (case insensitive)

Global pattern flags

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

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

<p>((?=[^.])(?:.(?!\.))*?)<\/p>

New

<p>.</p>
<p>Sentence.</p><p>Title</p><p>Sentence.</p>
<p>Title</p>
<p>Sentence.</p>

<h3>$1</h3>