Filter « TextField « Flash / Flex / ActionScript

1.Filtering Text Input
2.Allow only upper- and lowercase letters
3.Allow only letters and spaces
4.Allow only numbers
5.Allows all except lowercase a through g
6.Disallows all lowercase letters (but allows other characters, including uppercase
7.Allows numbers only, with the exception of 5
8.Disallow users from entering the Control-Z into a field
9.Allow numbers and dashes

10.Allow numbers and caret marks
11.Escape the backslash character
12.caret (^) marks anything after the caret as disallowed and anything before it or not listed as acceptable:
13.maxChars sets the maximum number of characters that a TextField can contain