C# Char IsSurrogate(String, Int32)

Description

Char IsSurrogate(String, Int32) indicates whether the character at the specified position in a specified string has a surrogate code unit.

Syntax

Char.IsSurrogate(String, Int32) has the following syntax.

public static bool IsSurrogate(
  string s,
  int index
)

Parameters

Char.IsSurrogate(String, Int32) has the following parameters.

• s - A string.
• index - The position of the character to evaluate in s.

Returns

Char.IsSurrogate(String, Int32) method returns true if the character at position index in s is a either a high surrogate or a low surrogate; otherwise, false.

Example

The following code example demonstrates IsSurrogate.

/*from  w  ww  . j a  v  a2  s  .c o m*/
using System;

public class IsSurrogateSample {
  public static void Main() {
    string str = "\U00010F00"; // Unicode values between 0x10000 and 0x10FFF are represented by two 16-bit "surrogate" characters

    Console.WriteLine(Char.IsSurrogate(str, 0));  // Output: "True"
  }
}

The code above generates the following result.