golang ethereum address regexp check

https://docs.etherniti.org/architecture/optimizations/address-validation/

  
package main  
  
import (  
    "fmt"  
    "regexp"  
)  
  
var (  
    re := regexp.MustCompile("^0x[0-9a-fA-F]{40}$")  
)  
  
func IsValidAddress(v string) bool {  
    return re.MatchString(v)  
}  
  
func main() {  
    fmt.Println(IsValidAddress("0x323b5d4c32345ced77393b3530b1eed0f346429d")) // true  
    fmt.Println(IsValidAddress("0xXYZb5d4c32345ced77393b3530b1eed0f346429d")) // false  
}