func Clean(s string) string {
	s = spacesRe.ReplaceAllString(s, " ")
	s = beginEndSpacesRe.ReplaceAllString(s, "")
	return s
}
func Clean(s string) string {
	s = spacesRe.ReplaceAllString(s, " ")
	s = beginEndSpacesRe.ReplaceAllString(s, "")
	return s
}
func Clean ( s string ) string { s = spacesRe . ReplaceAllString ( s , " " ) s = beginEndSpacesRe . ReplaceAllString ( s , " " ) return s }
// Clean compresses all adjacent whitespace to a single space and trims s.
Clean compresses all adjacent whitespace to a single space and trims s .