While looking for answers i also came across the following solution: The guid / uuid should be at least 32 characters and should stay in the ascii range to avoid trouble when passing them around How to displays the last four digits of the numbers in this format
In other words, use xs for the first 12 digits of the card number and actual numbers for the last four digits of the number. Couldn't find remote ref refs/heads/xxxx and hangs up asked 14 years, 4 months ago modified 2 years, 10 months ago viewed 310k times Now what i don't understand is why it would give me an import error
(d:\learnpython\projects\ex48) and do the import as from ex48 import xxxx By the way, the test file (ex48_test.py) is in d:\learnpython\projects\ex48\tests and i am running the tests using nose package. Checking whether a string starts with xxxx asked 13 years, 11 months ago modified 2 years ago viewed 526k times I want to format a uitextfield for entering a credit card number into such that it only allows digits to be entered and automatically inserts spaces so that the number is formatted like so