Use regular expression to validate a image URL
 

url = "https://someDomian.org/image.png"
/\.(jpg|jpeg|png|webp|avif|gif|svg)$/.test(url) // true


url = "https://someDomian.org/video.mp4"
/\.(jpg|jpeg|png|webp|avif|gif|svg)$/.test(url) // false

url = "https://someDomian.org/video.mp4" 
(url.match(/\.(jpeg|jpg|gif|png)$/) != null) //false 


url = "https://someDomian.org/image.png"
/\.(jpg|jpeg|png|webp|avif|gif|svg)$/.test(url) // true