Which one of the character testing methods would you use to determine that a string contains only letters and numbers?
A) char.IsLetterOrDigit
B) char.IsUpper
C) char.IsPunctuation
D) char.IsWhiteSpace

Question

Quizplus · Accepted Answer

The char.IsLetterOrDigit method returns true if a character is a letter or a number. This would be the best choice to determine if a string contains only letters and numbers.

Which One of the Character Testing Methods Would You Use