Absolutely! You can fully customize syntax highlighting in JetBrains IDEs (IntelliJ IDEA, PyCharm, WebStorm, etc.) to render specific keywords like new, class, or others in italics. Here's a step-by-step guide to set this up:

Step 1: Open the Color Scheme Settings #

• Go to File > Settings (or use the shortcut: Ctrl+Alt+S on Windows/Linux, Cmd+, on macOS).
• Navigate to Editor > Color Scheme > [Your Target Language] (e.g., Java, Kotlin, Python—select the language you're working with).

Step 2: Find the Keyword Group #

Each language organizes its syntax elements differently:

• For Java: Look under the Keywords section (you'll see subcategories for specific keyword types, or a general "Keywords" entry that covers terms like class, new, if).
• For Python: Check Keywords (for terms like def, class) or Built-in names if you want to style those too.
• Most languages' core keywords are grouped under a "Keywords" heading.

Step 3: Enable Italic for the Group (or Specific Keywords) #

Option 1: Style All Keywords in a Group #

• Click on the keyword group you want to modify (e.g., the general "Keywords" entry).
• On the right panel, find the Font style dropdown and check the Italic box (you can mix with bold/underline if you want).

Option 2: Style Individual Keywords (Granular Control) #

If you only want specific keywords (not all) to be italic:

1. Go to Editor > Inspections (search for "Inspections" in the Settings search bar if you can't find it).
2. Create a new Custom Highlighting inspection rule:
   • Set the rule to match exact strings (e.g., new, class).
   • Assign an italic font style to this rule.
3. Apply the rule, and only those specific keywords will show up in italics.

Step 4: Save and Test #

• Click Apply then OK to save your changes.
• Open a code file in your target language—you'll see the selected keywords now rendered in italics.

Bonus: Sync Settings Across IDEs #

If you use multiple JetBrains tools, turn on Settings Sync (under File > Settings Sync) to share your custom highlighting rules across all your IDEs automatically.

内容的提问来源于stack exchange，提问作者Yellowsink