Small test suite for BASE64 regex.

TestBASE64.java

public class TestBASE64 {
    public static void main(String[]a) {
        String regex = "^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{4}|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)$";

        String[] test = {
                "TWFu",
                "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=",
                "YW55IGNhcm5hbCBwbGVhc3VyZS4=",
                "YW55IGNhcm5hbCBwbGVhc3VyZQ==",
                "YW55IGNhcm5hbCBwbGVhc3Vy",
                "YW55IGNhcm5hbCBwbGVhc3U=",
                "YW55IGNhcm5hbCBwbGVhcw==",
        };

        boolean success = true;

        for (String s : test) {
            if (!s.matches(regex)) success = false;
        }

        System.out.println("Tests conclude that regex matches all BASE64 examples? "+success);
    }
}