First non repeating character position in a string
// First non repeating character position in a string
function first_non_repeating_letter(str) {
for(var i = 0; i < str.length; i++) {
if (str.indexOf(str[i]) === str.lastIndexOf(str[i])) {
return i
}
}
return null
}
console.log("First non repeating character position = " +
first_non_repeating_letter("abcdcba")); //3First non repeating character position in a string
// First non repeating character position in a string
package main
import (
"fmt";
"strings"
)
func FirstNonRepeating(str string) int {
strL := strings.ToLower(str)
for i:= range str {
count:=0
for j:= range str {
if strL[i] == strL[j] {
count++
}
}
if count == 1 {
return i
}
}
return -1
}
func main() {
fmt.Printf("First non repeating character position = %d",
FirstNonRepeating("abcdcba")) // 3
}Copyright © 2021 Codeinu
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