md/test/markdownParseImage.js

/*
 * @Author: your name
 * @Date: 2021-08-24 11:48:53
 * @LastEditTime: 2021-08-24 14:17:57
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \md-\test\markdownParseImage.js
 */
let imageReg = /^\!\[\S+\]\(\S+\)/mg
let testMdText = `
# docsify使用图片
![群友的图片](../img/奇怪群友的图1.jpg)
![群友的图片](../img/奇怪群友的图3.jpg)
![群友的图片](../img/奇怪群友的图4.jpg)
`
let dom = testMdText.match(imageReg).reduce((acc,current)=>{
    return acc += current.replace(/^\!\[/,`<img src="`)
    .replace(/\]\(/,`" title="`)
    .replace(/\)/,`"></img>\n`)
},'')
console.log(dom)