git-grep:tldr:7b110

The command git grep ${search_string} is used to search for a specific string or pattern in the files of a Git repository.

Here's how it works:

1. git grep is the command that triggers the grep functionality within Git.
2. ${search_string} is a placeholder that should be replaced with the actual string or pattern you want to search for. For example, if you want to search for the word "hello", you would replace ${search_string} with hello.
3. When the command is executed, Git will search through all the files in the current Git repository for occurrences of the specified ${search_string}.

The output of the command will show the file names and the lines where the ${search_string} was found. It may also highlight the matched string within the output lines to make it easier to identify.

By default, git grep is case-sensitive. However, you can use options like -i or --ignore-case to perform a case-insensitive search. You can also use regular expressions as the ${search_string} to perform more complex pattern matching.