Best email searching tools in 2025

📑 Document formats support 🏷️ Document tagging 🔍 Link validation 📦 Regex for ZIP codes 📝 Regex for analysis ⚙️ Regex for automation 📜 Regex for filtering 🎨 Regex for learning 🤖 Regex for matching 🔍 Regex for patterns 📝 Regex for searching 🎯 Regex for validation 📅 Schedule retrieval 📅 Travel details retrieval 🎨 User input filtering