Golang: String Backslash Escape

Within a double quoted string, character sequence starting with backslash may have special meaning. example: \n means newline.

package main

import "fmt"

func main() {
	var x = "a\nb"
	fmt.Println(x)
}

// prints
// a
// b

Here's complete list:

\a

U+0007 alert or bell

\b

U+0008 backspace

\f

U+000C form feed

\n

U+000A line feed or newline

\r

U+000D carriage return

\t

U+0009 horizontal tab

\v

U+000b vertical tab

\\

U+005c backslash

\"

U+0022 double quote

\ooo

o is octal digit.

\xhh

a byte. h here is a hexadecimal digit.

\uhhhh

a Unicode character whose codepoint can be expressed in 4 hexadecimal digits. (pad 0 in front)

\Uhhhhhhhh

a Unicode character whose codepoint can be expressed in 8 hexadecimal digits. (pad 0 in front)

[see ASCII Table]

package main

import "fmt"

func main() {
	fmt.Printf("%v\n", "A" == "\x41")       // true
	fmt.Printf("%v\n", "♥" == "\u2665")     // true
	fmt.Printf("%v\n", "😂" == "\U0001f602") // true
}