需要一些想法，使用php [动态数据]从textarea post值获取第一个图像路径？

Question

Need some idea to get first image path from textarea post value using php [dynamic data] ?

When press submit button i will get data like this from $_POST['textbox'] so i want to get some idea to get first image path from this value.

I tried to thinking for many hours. but i can not do that , how can i do ?

<p>
<span style="background-color:" rgb(206,0,0);>Hello</span>
 <span style="text-decoration:" underline;">World</span>
 <img src="https://www.google.co.th/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png" style="width: 544px;">
 <span style="font-style:italic;">Hello</span>
 <span style="font-weight: bold;">World<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/20/DuncanEdwards1.jpg/100px-DuncanEdwards1.jpg" style="width: 100px;"></span>
<br></p>

Answer 1

Without knowing information about how the HTML will be formed, my first thought is to use RegEx to take the first quoted value found after <img