You've done it.
1,400 is another way
They are all numeric characters, exactly as you have written it.
00.9
It is the same as 350
9.00 is the same as 9
Without the leading zero: 9057606387
1975
Exactly as you have done in the question: 45000
12.00 merely means 12 and in Roman numerals it is XII
It is: (IV)CCXX which means 1000*4+200+20 = 4220
That is numeric.
how do you write $12.00 in a numeric character?
Group1 is considered Alpha-Numeric because it has both alphabet characters and numeric characters.