RosettaCodeData/Task/Strip-comments-from-a-string/Go/strip-comments-from-a-string.go

package main

import (
   "fmt"
   "strings"
   "unicode"
)

const commentChars = "#;"

func stripComment(source string) string {
   if cut := strings.IndexAny(source, commentChars); cut >= 0 {
      return strings.TrimRightFunc(source[:cut], unicode.IsSpace)
   }
   return source
}

func main() {
   for _, s := range []string{
      "apples, pears # and bananas",
      "apples, pears ; and bananas",
      "no bananas",
   } {
      fmt.Printf("source:   %q\n", s)
      fmt.Printf("stripped: %q\n", stripComment(s))
   }
}