UnicodeCategory
UnicodeCategory is an enumeration in the .NET Framework that represents the general category of a Unicode character. Each character in the Unicode standard is assigned a category that describes its properties, such as whether it is a letter, a number, a punctuation mark, or a control character. The UnicodeCategory enumeration provides a convenient way to access and use these categories in your .NET applications.
The categories are grouped into several types. Letter categories include uppercase letters, lowercase letters, titlecase letters,
Understanding Unicode categories is important for tasks such as text processing, validation, and internationalization. For example,