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How to print escape characters in C#

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2023-08-30 18:57:03901browse

C# 中打印转义字符的方法

The following are the escape characters in C#, showing columns suggest how to use and print them in C# -

##\a\a"\u0007" in "Warning!" '\u0007'\bIn character class , matches the backspace key \u0008. [\b ]{3,}"\b\b\b\b" in "\b\b\b\b"\t(\w )\t"Name\t", "Addr\t" in "Name\tAddr\ t"\ r matches the carriage return character \u000D. (\r is not equal to the newline character \r"\r \v matches the vertical tab character, \u000B. [\v]{2,}"\v\v\v" in "\v\v\v" \f matches the form feed character, \u000C. [\f]{2,}"\ f\f\f" in "\f\f\f"Match new line \u000A .\r"\r##\e\x nn td> \c X\c x\u nnnn\Here is an example showing how to use some escaping characters in C# -
Escape Characters Description Pattern Display
td>matching ring characters \u0007.
Match tab character\u0009.
.)

(\w )

Hello" in "\r\Hello

World."

(\w )

Hello" in "\r\Hello

World."

matches the escape character, \u001B. \e "\x001B" in "\x001B"
nn

Use octal representation to specify characters (nnn consists of up to three digits).

\w\040\w "a b", "c d" in "a bc d"
Use hexadecimal representation to specify characters (nn consists of exactly two digits. Exactly two digits). \w\x20\w \w\x20\w\w\x20\w
matches the ASCII control character specified by X or x, where X or x is the letter of the control character. \cC "\x0003" in "\x0003" (Ctrl-C)
Matches Unicode characters using hexadecimal representation (exactly four digits, as in nnnn representation). \w\u0020\w \w\u0020\w "a b", "c d" in "a bc d" td> When
is followed by an escape character that is not recognized as a character, the character is matched. \d [\ -x\*]\d \d [\ -x\*\d "2 2" and "(2 2) * 3*9" "3*9"

Example

Real time Demo

using System;
using System.Collections.Generic;

class Demo {
   static void Main() {

      Console.WriteLine("Warning!" + '\u0007');
      Console.WriteLine("Demo Text \t Demo Text");
      Console.WriteLine("This is it!This is on the next line!");
   }
}

Output

Warning!
Demo Text Demo Text
This is it!
This is on the next line!

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