WebJan 3, 2024 · When we call C#’s ToUpper () method on a string instance, it returns an uppercase copy of that string. We can use this method in two ways (Microsoft Docs, n.d. … WebFeb 9, 2024 · The String class is an alias to System.String class in .NET. The String class inherits all the properties and methods of the System.String class. 4. Create a string. There are several ways to construct strings in C# and .NET. Create a string using a constructor. Create a string from a literal. Create a string using concatenation.
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WebJun 16, 2024 · The Password field is a string, and to be valid it must have a length between 5 and 15 chars and follow some security rules that will be checked using regular expressions. ... I’ve defined a HasValidPassword method that accepts a string input and returns a boolean. private bool HasValidPassword(string pw) { var lowercase = new … WebApr 4, 2024 · We provide an example of a static method that uppercases the first letter. Info To avoid processing an empty string (which would cause an exception) we invoke the IsNullOrEmpty method. IsNullOrEmpty, IsNullOrWhiteSpace. using System; class Program { static void Main () { Console.WriteLine (UppercaseFirst ( "houston" )); Console.WriteLine ... Web6. "String" is the underlying CLR data type (class) while "string" is the C# alias (keyword) for String. They are synonomous. Some people prefer using String when calling static … czones german surgical stainless steel