Non-ASCII characters
Reports code elements that use non-ASCII symbols in an unusual context.
Example:
Non-ASCII characters used in identifiers, strings, or comments.
Identifiers written in different languages, such as
myСollectionwith the letterCwritten in Cyrillic.Comments or strings containing Unicode symbols, such as long dashes and arrows.
Locating this inspection
- By ID
Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.
NonAsciiCharacters- Via Settings dialog
Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.
Inspection ID: NonAsciiCharacters
Inspection options
Here you can find the description of settings available for the Non-ASCII characters inspection, and the reference of their default values.
- Report files starting with a BOM
Option ID:
CHECK_FOR_FILES_CONTAINING_BOMDefault value:
Not selected- Report non-ASCII characters in
Default value:
None- Report mixed ASCII/non-ASCII characters in
Default value:
None
Suppressing Inspection
You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:
More detailed instructions as well as other ways and options that you have can be found in the product documentation:
Inspection Details | |
|---|---|
By default bundled with: | CLion 2026.1, DataGrip 2026.1, DataSpell 2026.1, GoLand 2026.1, IntelliJ IDEA 2026.1, JetBrains Rider 2025.3, PhpStorm 2026.1, PyCharm 2026.1, Qodana for .NET 2025.3, Qodana for Go 2026.1, Qodana for JS 2026.1, Qodana for JVM 2026.1, Qodana for PHP 2026.1, Qodana for Ruby 2026.1, RubyMine 2026.1, WebStorm 2026.1 |