UTF-8 characters: café, naïve, Zürich
Chinese: 你好世界 (Hello World)
Japanese: こんにちは (Hello)
Korean: 안녕하세요 (Hello)
Arabic: مرحبا (Hello)
Hebrew: שלום (Hello)
Greek: Γειά σου (Hello)
Russian: Привет (Hello)
Thai: สวัสดี (Hello)
Hindi: नमस्ते (Hello)

Emoji test: 🚀 🔥 ✨ 💯 🎯 ⚡ 🌟 💫 ⭐ 🌠

Combined characters: é (e + ´), ñ (n + ~)
Zero-width characters: test​invisible​spaces
Right-to-left: العربية עברית
Mathematical: ∑∫∂∇√∞≈≠≤≥
Currency: $ € £ ¥ ₹ ₽ ₩ ₪

Box drawing: ┌─┬─┐│ ├─┼─┤│ └─┴─┘
Arrows: ← → ↑ ↓ ↔ ↕ ⇐ ⇒ ⇑ ⇓
