7.6.2.a is-card-number() function
You must see the value "true" for the Test 1, Test 2, and Test 3 output controls.
You must see the value "false" for the Test 4, Test 5, and Test 6 output controls.
Test 1 :
Test 2 :
Test 3 :
Test 4 :
Test 5 :
Test 6 :