funcsPZ.go
func StripPunctuation(s string) string {
	s = stripPuncRe.ReplaceAllString(s, "")
	s = nWhitespaceRe.ReplaceAllString(s, " ")
	return s
}
func StripPunctuation(s string) string {
	s = stripPuncRe.ReplaceAllString(s, "")
	s = nWhitespaceRe.ReplaceAllString(s, " ")
	return s
}
// StripPunctuation strips puncation from string.