regex101: PCRE (Legacy) Substitution Workspace

Non-Capturing Group(?:<div class="oembed|\G)

1st Alternative<div class="oembed

<div class="oembedthe literal text <div class="oembed (case sensitive)

2nd Alternative\G

\Gstart of current search

Non-Capturing Group(?:(?!</div>).)*?

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

Negative Lookahead(?!</div>)

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

.any character (except for line terminators)

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

Vthe literal V (86₁₀ / 126₈ / 56₁₆) (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

Search reference

Regular Expression

(?:<div class="oembed|\G)(?:(?!</div>).)*?\KV

New

   Vがある<br>
<div id="body-top" class="content-moki clearfix">
   Vがある<br>
<span class="headline">
<br>
にモデル「V」を入れると、プレビューでエンベットが崩れる<br>
<br><div class="oembed  oembed-type-instagram oembed-pre-frame" data-oembed-medialink="https://www.instagram.com/p/B_BEXwtp-V7/" style="margin:10px auto;" data-oembed-url="https://api.instagram.com/oembed/?url=https%3A%2F%2Fwww.instagram.com%2Fp%2FB_BEXwtp-V7&format=json&maxwidth=500&embed=widget&width=1" data-oembed-id="B_BEXwtp-V7" data-oembed-options='{"maxwidth":"500","embed":"widget","width":true}'>1st div</div>
    Vがある<br>a </div> V...</div>

Regular Expressions 101

Regular Expression

Extraction