In general it is called alphanumeric.
alphanumeric characters are just the alphabet and the digits 0-9. So chances are, it's already written in alphanumeric characters.
manisha
only letter and number from A-Z and from 0-9 ,no special characters meaning no @#* ect.
Any character which is not A-Z or 0-9. Examples of non-alphanumeric characters: !"£$%^&*()
People sometimes get confused when websites state that user names or passwords must be in alphanumeric form. Most dictionaries and online encyclopedias will provide plenty of information on what the term alphanumeric means, but it basically refers to characters that include any combination of the 26 alphabetic letters and the numerals 0-9; special characters such as ! or * are NOT alphanumeric.
Alphanumeric characters means any combination of letters and digits. Sometimes other special symbols are allowed, too - so alphanumeric may sometimes be understood to mean a combination of just about any type of symbols.
Any character which is not A-Z or 0-9. Examples of non-alphanumeric characters: !"£$%^&*()
no, this is not an alphanumeric character because it has more than one characters
Alphanumeric characters are lowercase a-z, uppercase A-Z, and numbers 0-9. It does not include any punctuation characters, special characters, etc. Aggie80 is certainly an alphanumeric address. Most systems recommend that you use at least three of the four character sets, lowercase letters, uppercase letters, numbers and symbols. Not all systems will take symbols, so Aggie80 would be a fair alphanumeric password, (No, I don't use it!) it would be considered 'stronger' if it had at least 8 characters. So WikiAggie80 would be pretty good. It sure wouldn't appear in any dictionary!
Any character which is not A-Z or 0-9. Examples of non-alphanumeric characters: !"£$%^&*()
72669