Regular expressions

EF Find

EF Find is a powerful search program for Windows 32 bit. Look for files, text, HEX sequences and regular expressions inside ACE, ARC, ARJ, BZIP2, CAB, CPIO, GZIP, IMG, ISO (ISO9660), LHA, RAR, RPM, TAR, TGZ, ZIP and ZOO archives. Multilingual. Shareware, FREE Updates....
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PowerGREP

Search through large numbers of text and binary files, such as source code, correspondence, PDF and Word documents, server logs, reference texts, archives, etc. to quickly find the files you are looking for, or extract the information you need. Perform comprehensive text and binary replacement operations for easy maintenance of web sites, source code, reports, etc. Search for keywords, phrases or use powerful Perl-compatible regular expressions....
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