package main
import (
"fmt"
"regexp"
"strings"
)
func isSentencePalindrome(str string) bool {
// Change the string into lowercase and remove all non-alphanumeric characters
re := regexp.MustCompile("[^a-zA-Z0-9]")
str = strings.ToLower(re.ReplaceAllString(str, ""))
// Reverse the string
reversed := reverseString(str)
return str == reversed
}
func reverseString(s string) string {
runes := []rune(s)
for i, j := 0, len(runes)-1; i < j; i, j = i+1, j-1 {
runes[i], runes[j] = runes[j], runes[i]
}
return string(runes)
}
func main() {
if isSentencePalindrome("Top step's pup's pet spot.") {
fmt.Println("yes")
} else {
fmt.Println("no")
}
}
/*
run:
yes
*/
