Powerful grep utility with visual interface. Allows to search a string or a regular expression in all files in a folder and its sub-folders.
Pro Nice and simpler option to learn more about using grep or Regex commands
Grep is a powerful command line tool used in Unix / Linux environments. Plus Regex is a very powerful syntax for fine tuning results. If you are a programmer or system engineer that uses command line often for work, this can be helpful both to use on a Windows machine as well learning the usage itself. Regex can be quite difficult to learn for many programmers.