Golang : Convert a rune to unicode style string \u



Tags : golang rune unicode convert quote-rune-to-ascii

Continuing from previous tutorial on how to get escape characters or \u unicode style string. These are some additional methods to convert rune to unicode style string.

 package main

 import (
 "fmt"
 )

 func main() {

 // use %x for single rune
 fmt.Printf("\\u%x\n", 'お')

 // fmt.Printf("\\u%x\n", 'おはよう') -- will not work

 // use %+q for multiple runes
 fmt.Printf("%+q\n", "おはよう")
 }

output :

\u304a

"\u304a\u306f\u3088\u3046"

Another way :

 package main

 import (
 "fmt"
 )

 func main() {

 u := fmt.Sprintf("%U", 'お')
 fmt.Println(u)

 }

Output :

U+304A

or use strconv.QuoteRuneToASCII() function.

 package main

 import (
 "fmt"
 "strconv"
 )

 func main() {

 // translate character to rune
 r := rune('お')

 // extra the unicode \uxxxx value
 unicode := strconv.QuoteRuneToASCII(r)

 fmt.Println(string(r)+" unicode string value is : ", unicode)
 }

Output :

お unicode string value is : '\u304a'

Reference :

https://www.socketloop.com/tutorials/golang-convert-rune-to-unicode-hexadecimal-value-and-back-to-rune-character

Affiliate :

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  See also : Golang : Get escape characters \u form from unicode characters



Tags : golang rune unicode convert quote-rune-to-ascii

By Adam Ng

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