strings.IndexFunc() Function in Golang With Examples

strings.ToValidUTF8() Function in Golang With Examples

Last Updated : 17 May, 2020

strings.ToValidUTF8() Function in Golang is used to returns a copy of the string s with each run of invalid UTF-8 byte sequences replaced by the replacement string, which may be empty.

Syntax:

func ToValidUTF8(str, rep string) string

Here, str is string which may contain invalid UTF-8 and rep is the replacement string.

Return Value: It returns the replaced string.

Example 1:

// Golang program to show the usage 
// of strings.ToValidUTF8() Function 
package main 
  
// importing fmt and strings 
import ( 
    "fmt"
    "strings"
) 
  
// calling main method 
func main() { 
  
    // There is no invalid UTF-8 character 
    // present, so the same string returned 
    fmt.Print(strings.ToValidUTF8("This is GeeksForGeeks", " ")) 
} 

Output:

This is GeeksForGeeks

Example 2:

// Golang program to show the usage 
// of strings.ToValidUTF8() Function 
package main 
  
// importing fmt and strings 
import ( 
    "fmt"
    "strings"
) 
  
// calling main method 
func main() { 
  
    // Invalid UTF-8 '\xc5' replaced by 'For' 
    fmt.Print(strings.ToValidUTF8("Geeks\xc5Geeks", "For")) 
} 

Output:

GeeksForGeeks

strings.IndexFunc() Function in Golang With Examples

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