shigemk2 https://blog.hatena.ne.jp/shigemk2/ by shigemk2 https://www.shigemk2.com/ Go golang regexp どちらかといえば括弧書きのほう package main import "fmt" import "regexp" func main() { str := "123456" rep := regexp.MustCompile(`1(.)3(.)5(.)`) str = rep.ReplaceAllString(str, "1($1)3($2)5($3)") fmt.Println(str) // => "1(2)3(4)5(6)" } http://ashitani.jp/golangtips/tips_regexp.html 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2017%2F10%2F14%2Fgolang_regexp" title="golang regexp - by shigemk2" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2017-10-14 12:27:38 rich https://www.shigemk2.com/entry/2017/10/14/golang_regexp 1.0 100%