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vim:tldr:508fc

vim: Perform a regular expression substitution in the whole file.
$ :%s/${regular_expression}/${replacement}/g
try on your machine

This command is used in a text editor or command line interface to perform a search and replace operation on a file. Here is the breakdown of the command:

  • %: This specifies that the search and replace operation should be performed on the entire file.
  • s: This is the command to perform the search and replace operation.
  • ${regular_expression}: This is the regular expression pattern to be searched for in the file. Regular expressions are a sequence of characters that specify a search pattern. For example, if you want to find all occurrences of the word "apple", you would replace ${regular_expression} with apple.
  • ${replacement}: This is the text that will replace the matched patterns found by the regular expression. For example, if you want to replace "apple" with "orange", you would replace ${replacement} with orange.
  • g: This flag indicates that the search and replace operation should be performed globally, meaning that all occurrences of the regular expression pattern should be replaced. If you omit the g flag, only the first occurrence on each line will be replaced.
  • <Enter>: This is the symbol for the Enter/Return key on your keyboard. Pressing Enter will execute the command and perform the search and replace operation.

In summary, this command is used to search for a regular expression pattern in a file and replace it with a specified text globally.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.
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