Universal grep: ultra fast searcher of file systems, text and binary files, source code, archives, compressed files, documents, and more.

The main features include: - Written in clean and efficient C++11, built for speed - Ultra fast with new match algorithms beating grep, ripgrep, silver searcher, hyperscan, etc. - Multi-threaded search using high-performance lock-free job queue stealing - Multi-threaded task-parallel decompression and search - Optimized pattern matching (AVX, SSE2, ARM NEON/AArch64) - Optimized asynchronous IO for efficient concurrent searching - Thoroughly tested (includes over 1000 test cases) - Compatible with the standard GNU/BSD grep command-line options - Comprehensive how-to tutorial for beginners to advanced users - Interactive query UI to enter search patterns - Select files to search by file types, filename suffix, and "magic bytes" - Search archives (cpio, jar, tar, pax, zip) - Search compressed files (zip, gz, Z, bz, bz2, lzma, xz) - Search pdf, doc, docx, xls, xlxs, and more using filters - Search binary files and display hexdumps with binary pattern matches - Search UTF-encoded files with Unicode pattern matches (by default) - Search files encoded in ISO-8859-1 thru 16, CP 437, CP 850, MAC, KOI8, etc. - Search files excluding files specified by .gitignore etc. - Search patterns across newlines, matching multiple lines at once - Search patterns excluding negative patterns ("match this but not that") - Includes predefined regex patterns to search source code, XML, JSON, HTML - Output results in CSV, JSON, XML, and user-specified formats - Sort matching files by name, size, and time - Portable, compiles and runs on Linux, Unix, Mac OS X, Windows, etc.