func TagFromImage(image string) string {
	matches := tagMatcher.FindStringSubmatch(image)
	if len(matches) >= 2 {
		return matches[1]
	}
	return ""
}
// TagFromImage extracts a tag from image. An empty string is returned if no tag is discovered.
TagFromImage extracts a tag from image. An empty string is returned if no tag is discovered.
// TagFromImage extracts a tag from image . An empty string is returned if no tag is discovered .
func TagFromImage(image string) string {
	matches := tagMatcher.FindStringSubmatch(image)
	if len(matches) >= 2 {
		return matches[1]
	}
	return ""
}
func TagFromImage ( image string ) string { matches := tagMatcher . FindStringSubmatch ( image ) if len ( matches ) >= 2 { return matches [ 1 ] } return " " }
TagFromImage extracts a tag from image.
TagFromImage extracts a tag from image .