https://github.com/castilhera/csharp-code-snippets

C# Code Snippets
https://github.com/castilhera/csharp-code-snippets

code-snippets code-snippets-csharp csharp csharp-code

Last synced: 9 months ago
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C# Code Snippets

• Host: GitHub
• URL: https://github.com/castilhera/csharp-code-snippets
• Owner: castilhera
• Created: 2024-07-29T23:20:46.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2024-09-03T12:25:55.000Z (over 1 year ago)
• Last Synced: 2025-01-20T08:11:30.289Z (11 months ago)
• Topics: code-snippets, code-snippets-csharp, csharp, csharp-code
• Language: C#
• Homepage:
• Size: 15.6 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# C# Code Snippets

A bunch of random C# code snippets that might help.

## Extensions

### Date Extensions



  
IsWeekend

  
Check if DayOfWeek is Saturday or Sunday. (Note: This does not apply to all countries and cultures. I found it useful for Brazil.)

  
ToFirstDayOfMonth

  
Returns the first day of the month for the specified DateOnly/DateTime/DateTimeOffset.

  
ToLastDayOfMonth

  
Returns the last day of the month for the specified DateOnly/DateTime/DateTimeOffset.

  
GetIso8601WeekNumber

  
Returns the week of the year, according to ISO-8601, for the specified DateTime.



### Stream Extensions



  
ReadLinesAsync

  
Returns an iterator to read a stream line by line



### String Extensions



  
Reverse

  
Reverses a given string. e.g. ABCD => DCBA

  
ToSnakeCase

  
Convert string to snake_case format. e.g. CodeSnippets => code_snippets



## Helpers

### Validation Helpers



  
IsValidCnpj

  
Check if the given string is a valid CNPJ.


  
IsValidCpf

  
Check if the given string is a valid CPF.