Task 1:
accept: 0.0.67.999 1.2.3.4 999.12.3.5
reject: 0.0.67.a 1.2.3333.99

Task 2
accept: 127.0.0.1 143.89.11.11 192.123.1.2
reject: Hello World! 123.1.1  300.9.9.7 010.1.1.1

Task 3
accept£º1900-01-01  2099-12-31
reject£º1900-00-01  1989-00-01 2100-12-31 1989-13-45

Task 4
accept£º3.14529	-255.34	128 1.9e10 123,340.00
reject£º720p