rg:tldr:205de
This command is composed of two parts, separated by a pipe (|) symbol.
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rg --files: This part of the command uses the "rg" command-line tool to search for files in the current directory and its subdirectories. The "--files" option instructs "rg" to list all the file paths found.
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rg ${regular_expression}: This part takes the output of the previous command and uses the "rg" tool again to filter the file paths using a regular expression (represented here as ${regular_expression}). A regular expression is a sequence of characters that defines a search pattern. It is used to match and filter text based on specific patterns.
The command as a whole helps find files in the current directory and its subdirectories that match a particular pattern defined by the regular expression. The output will be a list of file paths that satisfy the specified regular expression.