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Transliterating or Transposing Characters in an NSString: A Comparison of CFStringTransform and Custom Categories

Extracting Information from NSData Object in Objective-C for Successful URL Requests

Finding the Index of a Character in NSString: A Step-by-Step Guide for Swift Developers

Converting Hexadecimal Strings to Long Values in Objective-C Using NSScanner Class

Understanding the Limitations of `stringByReplacingOccurrencesOfString`: A Guide to Regular Expressions in iOS Development

Understanding the Basics of UIKit and String Manipulation in iOS Development: A Beginner's Guide to Extracting Data from UITextField