PowerShell strings

In PowerShell, either double quotes or single quotes can be used to express string literals. For instance, the following values are the same:

"HELLO WORLD"
'HELLO WORLD'

Using both kinds of quotes can be useful when quoting strings which themselves contain quotes, such as the following:

"I can't stop using PowerShell"
'He said, "I like using PowerShell" all day long'

If a single quote is needed in a single-quoted string, you can double the quote (for example, 'can't is a contraction'). The same technique allows the use of double-quotes in a double-quoted string. Strings written this way can be somewhat confusing to look at and it is easy to lose track of the number of quotes. A simpler method of including a double quote character in a string is to escape it with the backtick (`), also called a grave accent. The following string is an example: "the `" character is a double quote".

A peculiar kind of string in PowerShell is called a here-string. Here-strings allow strings to...