Regular Expressions 101

Explanation
Pro

Positive Lookbehind(?<=)

the literal text (case sensitive)

Group 1(.+)

.+any character (except for line terminators), repeated at least once

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

p>the literal text p> (case sensitive)

\na line-feed (newline) character (ASCII 10)

the literal text (case sensitive)

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

(?<=<p class="para">)(.+)<\/p>\n<p class="para">

<p>Ligne 0.</p>
<p class="para">Ligne 1.</p>
<p class="para">Ligne 2.</p>
<p class="para">Ligne 3.</p>
<p class="para">Ligne 4.</p>

$1<br/>\n

<p>Ligne 0.</p>
<p class="para">Ligne 1.</p>
<p class="para">Ligne 2.</p>
<p class="para">Ligne 3.</p>
<p class="para">Ligne 4.</p>