Exam 16: Strings,Characters and Regular Expressions

When using the Replace method,the first character passed in is the letter to be replaced and the second is what it will be replaced by.

Method Replace can be used to change all occurrences of a desired character to another character.

In order to set a string to reference nothing the programmer must use:

To make a quantifier lazy use:

The ToUpper and ToLower methods can be used to convert a string to all upper or lower case letters,respectively.

Another way to concatenate a string is to use the ampersand (&).

A string literal:

To make a search return between 10 and 20 results use

If an integer argument goes beyond the bounds of the array then:

The method IsWhiteSpace is used to determine whether a character is a space or not.

When setting the length of a StringBuilder to a length that's shorter than the current one,an ArgumentOutOfRangeException is thrown.

ToUpper(string)is

Method Remove can be used to delete any part of a StringBuilder.

string example = "Deitel"; 2) example = example + " Books";

The Length property returns the length of a string.

Concatenating with strings is done with:

Method Insert can be used only on the primitive data types.

The Equals string method is used to see if:

Method EnsureCapacity returns the capacity of a StringBuilder.

Characters consist of only the capital and lowercase letters.