How to resolve the algorithm String length step by step in the C# programming language
How to resolve the algorithm String length step by step in the C# programming language
Table of Contents
Problem Statement
Find the character and byte length of a string.
This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters.
By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters.
For example, the character length of "møøse" is 5 but the byte length is 7 in UTF-8 and 10 in UTF-16.
Non-BMP code points (those between 0x10000 and 0x10FFFF) must also be handled correctly: answers should produce actual character counts in code points, not in code unit counts.
Therefore a string like "𝔘𝔫𝔦𝔠𝔬𝔡𝔢" (consisting of the 7 Unicode characters U+1D518 U+1D52B U+1D526 U+1D520 U+1D52C U+1D521 U+1D522) is 7 characters long, not 14 UTF-16 code units; and it is 28 bytes long whether encoded in UTF-8 or in UTF-16.
Please mark your examples with ===Character Length=== or ===Byte Length===.
If your language is capable of providing the string length in graphemes, mark those examples with ===Grapheme Length===.
For example, the string "J̲o̲s̲é̲" ("J\x{332}o\x{332}s\x{332}e\x{301}\x{332}") has 4 user-visible graphemes, 9 characters (code points), and 14 bytes when encoded in UTF-8.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm String length step by step in the C# programming language
String Manipulation Examples
These C# code examples demonstrate various string manipulation techniques, including finding the character length, byte length, and UTF-8 byte length of a string.
Example 1: Character Length
string s = "Hello, world!";
int characterLength = s.Length;
- Explanation: This code assigns the string "Hello, world!" to the
s
variable. It then uses theLength
property of thestring
to get the number of characters in the string, which is 13 in this case, and assigns it to thecharacterLength
variable.
Example 2: Byte Length
using System.Text;
string s = "Hello, world!";
int byteLength = Encoding.Unicode.GetByteCount(s);
- Explanation: This code starts by using the
using
statement to add theSystem.Text
namespace, which contains encoding classes. It then assigns the string "Hello, world!" to thes
variable. Next, it uses theGetByteCount
method of theEncoding.Unicode
class to get the number of bytes in the string when encoded in Unicode encoding, which is 26 in this case, and assigns it to thebyteLength
variable.
Example 3: UTF-8 Byte Length
int utf8ByteLength = Encoding.UTF8.GetByteCount(s);
- Explanation: This code continues from the previous example and uses the
GetByteCount
method of theEncoding.UTF8
class to get the number of bytes in the string when encoded in UTF-8 encoding. UTF-8 is a variable-length encoding that uses one byte for ASCII characters and multiple bytes for non-ASCII characters. In this case, the UTF-8 byte length of the string is 15, as the string contains only ASCII characters.
Source code in the csharp programming language
string s = "Hello, world!";
int characterLength = s.Length;
using System.Text;
string s = "Hello, world!";
int byteLength = Encoding.Unicode.GetByteCount(s);
int utf8ByteLength = Encoding.UTF8.GetByteCount(s);
You may also check:How to resolve the algorithm Queue/Usage step by step in the zkl programming language
You may also check:How to resolve the algorithm Null object step by step in the MUMPS programming language
You may also check:How to resolve the algorithm Prime decomposition step by step in the Lambdatalk programming language
You may also check:How to resolve the algorithm Inheritance/Single step by step in the PureBasic programming language
You may also check:How to resolve the algorithm Sorting algorithms/Strand sort step by step in the Phix programming language