Function isValidName

cli/context/store/store.go:238–252

isValidName checks if the context-name is valid ("^[a-zA-Z0-9][a-zA-Z0-9_.+-]+$"). Names must start with an alphanumeric character (a-zA-Z0-9), followed by alphanumeric or separators ("_", ".", "+", "-").

(s string)

// Names must start with an alphanumeric character (a-zA-Z0-9), followed by
// alphanumeric or separators ("_", ".", "+", "-").
func isValidName(s string) bool {
	if len(s) < 2 || !isAlphaNum(s[0]) {
		return false
	}

	for i := 1; i < len(s); i++ {
		c := s[i]
		if isAlphaNum(c) || c == '_' || c == '.' || c == '+' || c == '-' {
			continue
		}
		return false
	}

	return true
}

func isAlphaNum(c byte) bool {
	return (c >= 'a' && c <= 'z') ||