const name = '/docmirror/dev-sidecar/raw/master/doc/index.png'
// https://raw.fastgit.org/docmirror/dev-sidecar/master/doc/index.png
const ret = name.replace(/^(.+)\/raw\/(.+)$/, 'raw.fastgit.org$1/$2')
console.log(ret)

const reg = new RegExp('^/[^/]+/[^/]+$')
console.log('/greper/d2-crud-plus/blob/master/.eslintignore'.match(reg))