
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}
withapple
.${replacement}
: This is the text that will replace the matched patterns found by the regular expression. For example, if you want to replace "apple" with "orange", you would replace${replacement}
withorange
.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 theg
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.