Splitting Lines with String Literals

When you type long sting literals, Rider helps you split the lines adding the necessary quotation marks and plus signs.

While the caret is within a string literal,

Now, if you delete the + sign, the string parts will be back together without redundant quotes.

Another way of splitting a string literal is to set the caret where you want to split the string, press Alt+Enter and choose Split string. This context action will also add necessary quotation marks and +, but both parts of the sting will stay on the same line.