Regular Expression Test vs CSV Easy

Regular expression check tool. It is a tool to check in advance the regular expression to be embedded in the program and the like.

CSV Easy is a powerful CSV and TSV file editor designed for iPhone and iPad users who need to view, edit, and manage data files on the go. Built with privacy in mind, all operations happen locally on your device with no data ever leaving your phone. CORE FEATURES Edit CSV and TSV Files Open comma-separated and tab-separated files with automatic format detection. Edit cells, add rows and columns, and save changes instantly. Handles improperly formatted files that other apps reject. Advanced Data Tools - Filter rows with multiple conditions across columns - Sort data by single or multiple columns - Find and replace with regular expression support - Column statistics and data insights - Date and number format conversion Professional Editing - Drag and drop to reorder rows and columns - Hide unnecessary columns for cleaner views - Resize rows and columns to fit your data - Copy, cut, paste, and fill operations - Text transformations: trim whitespace, enclose text, escape HTML - Support for up to 10 header rows and columns Import and Export - Open files from Files app, email, or other apps - Export to PDF for sharing and printing - Save as CSV or TSV formats - Preserve data integrity including leading zeros and exact formatting - Progress indicators for large file operations Privacy and Performance - Zero network communication - No analytics or tracking - No account required - All processing happens on your device - Works completely offline - Fast performance even with large datasets iPad Optimized - Full Split View and Slide Over support - Landscape and portrait orientations - Keyboard shortcuts for productivity - Touch-optimized interface FREEMIUM MODEL The free version lets you explore all features with a 20-row display limit and viewing-only mode. Upgrade once with a single in-app purchase to unlock: - Unlimited row display - Full editing and saving capabilities - All premium features forever - No subscription required PERFECT FOR - Business professionals managing client data - Students analyzing datasets for projects - Researchers working with survey results - Developers testing CSV imports - Anyone who needs spreadsheet functionality without Excel - Users concerned about data privacy - People working offline or in low-connectivity areas TECHNICAL CAPABILITIES - Automatic CSV parameter detection - Smart recognition of numbers and dates - Preservation of leading zeros and formatting - ICU regular expressions for pattern matching - Email, phone, and URL pattern detection - Undo and redo for all operations - Dark mode support - Universal app for iPhone and iPad CSV Easy respects your privacy and data. No servers, no cloud, no tracking. Just a fast, reliable tool for working with data files on iOS. Terms of Use (EULA) (https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)