html img src 값 가져오기

String+getImgSrcFromHtml.swift

import Foundation

let htmlString =
"""
<div class="class-fr-editor">
    <span class="fr-video"><span class="thumb"><img data-src="https://download.hiclass.net/7e80/8680/9280/cf80/0a685485-0db8-49ff-adff-4e0fe969ed6d.jpg" class="lozad" src="https://download.hiclass.net/7e80/8680/9280/cf80/0a685485-0db8-49ff-adff-4e0fe969ed6d.jpg" data-loaded="true"></span></span>
    <p></p>
    <p></p>
    <p><img class="fr-fic fr-dib lozad" data-src="https://download.hiclass.net/7e80/8680/9280/cf80/8ec6562d-b6c9-46b4-be21-1416dd83c624.jpg" src="https://download.hiclass.net/7e80/8680/9280/cf80/8ec6562d-b6c9-46b4-be21-1416dd83c624.jpg" data-loaded="true"></p>
   </div>
"""

let imgSrcReg = "<img\\s[^>]*?src\\s*=\\s*['\"]([^'\"]*?)['\"][^>]*?>"
do {
    let regex = try NSRegularExpression(pattern: imgSrcReg)
    let nsString = htmlString as NSString
    let results = regex.matches(in: htmlString, range: NSRange(location: 0, length: nsString.length))
    
    results.forEach { result in
        let srcRange = result.range(at: 1)
        let src = nsString.substring(with: srcRange)
        print(src)
    }
    
} catch {
    debugPrint(error)
}