egrep

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....
JGsoft - Just Great Software :: grep :: egrep :: regular expressions :: perl :: regex :: regular expression :: regexes :: search and replace :: search :: replace :: pdf :: word :: collect :: sequence :: windows :: PowerGREP

RegexBuddy

Perfect companion for working with regular expressions. Easily create regular expressions that match exactly what you want. Clearly understand complex regexes written by others. Quickly test any regex on sample strings and files, preventing mistakes on live data. Use the regex with auto-generated code snippets in C#, VB, Java, Delphi, Perl, PHP, Python, JavaScript, etc. Collect libraries of regular expressions for future use. Detailed tutorial....
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PowerGREP

Search through large numbers of text and binary files, such as source code, correspondence, server or system 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....
JGsoft - Just Great Software :: grep :: egrep :: windows :: regular expressions :: perl :: regex :: regular expression :: regexes :: search and replace :: search :: replace :: collect :: sequence :: unix :: win :: PowerGREP

Finders Keepers

Search files of any kind, replace text, index files for instant searches, and launch files for viewing or editing. Search 4 ways: plain-text, regular expressions, approximate, and sound-alike. View, edit, or launch found files 6 ways, e.g., by associated files, built-in ASCII text editor, or binary viewer. Search zip files too. Change file dates or attributes. Replace text in multiple files. Zip found files. Control actions with 70 options....
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