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objective-cnsstring

How to get the Ascii Integer value of the first letter of a NSString in Objective-C?

In Objective-C, how to get the Ascii Integer value of the first letter of a NSString?

Solution 
  • if ([aString length] > 0) {
    unichar firstCharacter = [aString characterAtIndex: 0];
    // ...
}

    That's all. unichar is an alias of unsigned short and so is an integer type. However, there is no guarantee the character is part of ASCII, as NSString is Unicode-based.