Still software gore. Spacing should not matter, proper parsing should ignore whitespace in a simple format like this.
Even better, the appropriate spacing/symbols should be automatically added so the user doesn’t have to worry if the form is going to parse whitespace.
Even better, it should ignore all input except 0-9 so it doesn't matter if you try to put spaces or other characters.
Still software gore. Spacing should not matter, proper parsing should ignore whitespace in a simple format like this.
Even better, the appropriate spacing/symbols should be automatically added so the user doesn’t have to worry if the form is going to parse whitespace.
Even better, it should ignore all input except 0-9 so it doesn't matter if you try to put spaces or other characters.
It also shouldn't require leading zeros