Page History

Scala offers an ability to enter

Intellij IDEA lets you add different intentions for strings and perform different actions with strings in Scala. Intellij IDEA also supports the Scala multi-line strings feature. This feature lets you format literals
Scala offers a method called stripMargin that removes the left-hand part of a multiline string up to a specified delimiter (default: "|"). Here is an example:

Entering Multi-line strings

Enter triple quots to envoke StripMargin method. You can enter multi-line strings.
Image Removed
It also preseves white spaceand helps your code to look more orderly.

1. How to Insert Gap with Concatenation into a String

IntellijIDEA lets you insert a gap with concatenation intention. To do that, in your editor enter a string and press

{span:class=shortcut}Alt{span}

{span:class=shortcut}Enter{span}

Image Added

Select Insert gap with concatenation ("+ +") and press

{span:class=shortcut}Enter{span}

Image Added
Now you can insert a value into your string. You can evaluate the result in the Scala Console window.

Image Added

2. How to Convert a String Concatenation into Interpolated String

For the Scala version 2.10 and later you have the ability to convert a string concatenation into the interpolated string.
To do that, select a value with concatenation in your string and press

{span:class=shortcut}Alt{span}

{span:class=shortcut}Enter{span}

Image Added

{span:class=shortcut}Enter{span}

Image Added
You can also choose an option Convert to formatted string and get your basic Java formatted string.

3. How to Convert a String into a Multi-line String and Vice Versa

You can convert your string into a multi-line string. Simply enter your string, press

{span:class=shortcut}Alt{span}

{span:class=shortcut}Enter{span}

Image Added
Converting to multi-line strings removes escaped sequences such as '\\' or '\n'.

You also can convert the multi-line string into the regular string.
Press

{span:class=shortcut}Alt{span}

{span:class=shortcut}Enter{span}

{span:class=shortcut}Enter{span}

Image Added
View the result.

Image Added

To start entering a multi-line string, simply type triple quotes in your editor.
Image Added

If you press

{span:class=shortcut}Enter{span}

Image Added

The white spaces are also preserved. Please see the following example:
Image Removed You can choose different intention options for Scala Image Added

4. How to Insert a Replace Intention

The .replace("\r"," ") intention lets you keep the caret in the correct place on the next line in the multi-line strings . Place your cursor on the string and press [regardless of what operating system you have at the moment.
Enter a multi-line string, press

{span:class=shortcut}Alt

{span}

{span:class=shortcut}Enter{span}

Image Added

Image Added

5. How to Insert an Inject Language/Reference Intention

You can inject language or a reference into your multi-line string literals.
Enter a multi-line string, press

{span:class=shortcut}Alt{span}

{span:class=shortcut}Enter{span}

Image Added
The list of available languages opens. Choose the appropriate one and press

{span:class=shortcut}Enter{span}

Image Removed

Image Removed

Image Added
To cancel the language injection, simply choose the Un-Inject Language/Reference intention.

6. How to Edit Multi-line Strings Settings

You can set a different format for multi-line strings' options such as Margin char indent or Margin Char. You can also disable a multi-line strings support.
To open the Multi-line strings settings, in the main menu select

{span:class=shortcut}File{span}

{span:class=shortcut}Setting{span}

{span:class=shortcut}Project Settings{span}

{span:class=shortcut}Code Style{span}

{span:class=shortcut}Scala{span}

Image Added