Unicode 颜文字（emoji）格式和 Go 代码处理

1️⃣2️⃣3️⃣
4️⃣5️⃣6️⃣
7️⃣8️⃣9️⃣
*️⃣0️⃣#️⃣

package main

import (
    "log"
    "fmt"

    "github.com/Andrew-M-C/go.emoji"
)

func main() {
    printf := log.Printf

    s := "????????????????????"
    i := 0

    final := emoji.ReplaceAllEmojiFunc(s, func(emoji string) string {
        i++
        printf("%02d - %s - len %d", i, emoji, len(emoji))
        return fmt.Sprintf("%d-", i)
    })

    printf("final: <%s>", final)
    return
}

// Output:
// 2009/11/10 23:00:00 01 - ???????????? - len 18
// 2009/11/10 23:00:00 02 - ???????? - len 8
// 2009/11/10 23:00:00 final: <1-2->