Which of the following is NOT a stream type in C#?

The StreamWriter class in C# is used for writing binary data to a file.

Which special character is used to match any one non-digit character in Regular Expressions?

Regular Expressions are a feature specific to C# and not available in other programming languages.

Which of the following is NOT a quantifier used in regular expressions?

What LINQ method is used for projecting each element of a collection into a new form and returns a sequence of the projected elements?

Which LINQ operator is used to return a single element from a data source and throws an exception if there are no elements or more than one element in the result set?

The Except operator in LINQ is used to remove duplicate elements from a data source.

Which of the following methods can we use to perform eager execution and get the results immediately in LINQ?