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)) const chunk = Buffer.from('') const script = '' const index = chunk.indexOf('') const scriptBuf = Buffer.from(script) const chunkNew = Buffer.alloc(chunk.length + scriptBuf.length) chunk.copy(chunkNew, 0, 0, index) scriptBuf.copy(chunkNew, index, 0) chunk.copy(chunkNew, index + scriptBuf.length, index) console.log(chunkNew.toString()) const reg2 = '/aaaa/i' console.log(new RegExp(reg2).test('aaaa'))