Learning C# 2005

15.1. Creating Strings C# treats strings as if they were built-in types (much as it does with arrays). C# strings are flexible, powerful, and easy to use. In .NET, each string object is an immutable sequence of Unicode characters. ...

15.2. Manipulating Strings The String class provides a host of methods for comparing , searching, and manipulating strings , the most important of which are shown in Table 15-1. Table 15-1. String class properties and met...

15.3. Regular Expressions As noted earlier, regular expressions provide a very powerful way to describe and manipulate text through pattern matching. The result of applying a regular expression to a string is either to ret...

15.4. The Regex Class The .NET Framework provides an object-oriented approach to regular expression pattern matching and replacement. The Framework Class Library namespace System.Text.RegularExpressions is the home t...

15.5. Summary C# strings can be sorted, searched, and otherwise manipulated.The String class is sealed, meaning it cannot be derived from. It implements the IComparable, IClonable, IConvertible, and IEnumerable interfaces, indicatin...

15.6. Quiz Question 21. What is the difference between string and String (lower- and uppercase)? Question 22. Some of the interfaces implemented by the string are: IComparable, ICloneable, IConvertible and IEnumerable. What do these guarant...