Uri.HexUnescape() Method in C# with Examples Last Updated : 08 Jun, 2020 Comments Improve Suggest changes Like Article Like Report Uri.HexUnescape() method is used to convert a specified hexadecimal representation of a character to the character. Syntax: public static char HexUnescape (string pattern, ref int index); Parameters: string str – This represents the hexadecimal string.ref int index – This represents location in pattern where the hexadecimal representation of a character begins. Return value: This method returns the character represented by the hexadecimal encoding at position index. If the character at index is not hexadecimal encoded, the character at index is returned. The value of index is incremented to point to the character following the one returned. Exception: This method throws ArgumentOutOfRangeException if index is less than 0 or greater than or equal to the number of characters. Example 1: C# // C# program to demonstrate the // Uri.HexUnescape() method using System; class GFG { // Main Method public static void Main() { // Declaring and initializing string str = "%70"; char retChar; int index = 0; // using HexUnescape() method retChar = Uri.HexUnescape(str,ref index); Console.WriteLine("Hexadecimal character: "+retChar); } } Output: Hexadecimal character: p Example 2: C# // C# program to demonstrate the // Uri.HexUnescape() method using System; class GFG { // Main Method public static void Main() { // Declaring and initializing string str = Convert.ToString(123, 16); char retChar; int index = 0; // using HexUnescape() method retChar = Uri.HexUnescape(str,ref index); Console.WriteLine("Hexadecimal character: "+retChar); } } Output: Hexadecimal character: 7 Comment More info S shivanisinghss2110 Follow Improve Article Tags : C# CSharp-Uri-Class Explore IntroductionC# Tutorial 4 min read Introduction to .NET Framework 6 min read C# .NET Framework (Basic Architecture and Component Stack) 6 min read C# Hello World 2 min read Common Language Runtime (CLR) in C# 4 min read FundamentalsC# Identifiers 2 min read Data Types in C# 6 min read C# Variables 4 min read C# Literals 5 min read Operators in C# 7 min read C# Keywords 5 min read Control StatementsC# Decision Making (if, if-else, if-else-if ladder, nested if, switch, nested switch) 5 min read C# Switch Statement 4 min read Loops in C# 4 min read C# Jump Statements (Break, Continue, Goto, Return and Throw) 4 min read OOP ConceptsClass and Objects in C# 4 min read Constructors in C# 5 min read C# Inheritance 3 min read Encapsulation in C# 2 min read C# Abstraction 4 min read MethodsMethods in C# 4 min read Method Overloading in C# 4 min read C# | Method Parameters 7 min read Method Overriding in C# 7 min read Anonymous Method in C# 3 min read ArraysArrays in C# 6 min read Jagged Arrays in C# 4 min read Array Class in C# 5 min read How to Sort an Array in C# | Array.Sort() Method Set - 1 8 min read How to find the rank of an array in C# 2 min read ArrayListArrayList in C# 6 min read C# ArrayList Class 7 min read C# | Array vs ArrayList 2 min read StringStrings in C# 6 min read C# Verbatim String Literal - @ 5 min read C# String Class 9 min read C# StringBuilder 4 min read C# String vs StringBuilder 3 min read TupleC# Tuple 7 min read C# Tuple Class 3 min read C# ValueTuple 7 min read C# ValueTuple Struct 4 min read IndexersC# Indexers 4 min read C# Multidimensional Indexers 5 min read C# - Overloading of Indexers 3 min read Like