C# testing to see if a string is an integer?

by

Use the int.TryParse method.

string x = "42";
if(int.TryParse(x, out int value))
  // Do something

If it successfully parses it will return true, and the out result will have its value as an integer.

More Related Contents:

  1. Parse string to DateTime in C#
  2. Most efficient way to concatenate strings?
  3. How to convert UTF-8 byte[] to string
  4. Replace Line Breaks in a String C#
  5. How can I String.Format a TimeSpan object with a custom format in .NET?
  6. Convert String to Type in C# [duplicate]
  7. How do I split a string by a multi-character delimiter in C#?
  8. When is it better to use String.Format vs string concatenation?
  9. Way to have String.Replace only hit “whole words”
  10. Best way to resolve file path too long exception
  11. String Concatenation using ‘+’ operator
  12. Escape curly brace ‘{‘ in String.Format [duplicate]
  13. How to parse a string into a nullable int
  14. Why is there no Char.Empty like String.Empty?
  15. How do I split a string by strings and include the delimiters using .NET?
  16. How do I truncate a .NET string?
  17. How can I convert BitArray to single int?
  18. String interning in .Net Framework – What are the benefits and when to use interning
  19. Need to perform Wildcard (*,?, etc) search on a string using Regex
  20. Is String a primitive type?
  21. string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
  22. If strings are immutable in .NET, then why does Substring take O(n) time?
  23. string.ToLower() and string.ToLowerInvariant()
  24. C# Version Of SQL LIKE
  25. Best way to handle Integer overflow in C#?
  26. What is the correct way to compare char ignoring case?
  27. Compare string similarity
  28. How to convert string to integer in C#
  29. Regex nested parentheses
  30. string.Empty vs null.Which one do you use?

Leave a Comment