JavaScript
Python
Java
PHP
Rust
Haskell
Typescript
Elixir
grep
grepWin
The Silver Searcher
PowerGREP
dnGREP
DocFetcher
SearchMyFiles
FAR - Find And Replace
JavaScriptPython - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
grepWin - grepWin is a simple search and replace tool which can use PCRE regular expressions to search for...
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
The Silver Searcher - A code searching tool similar to ack, with a focus on speed.
PHP - A popular general-purpose scripting language that is especially suited to web development
PowerGREP - Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...