How do I replace all characters in a visual block with one character?

Q: How do I replace all characters in a visual block with one character?

` selection r{char}` In visual block mode, pressing `r` followed by a character replaces every character in the selected rectangle with that character. ## How it works - Select a block with ` ` and motions - Press `r` followed by the replacement character - Every character in the block is replaced ## Example ```text aaa bbb aaa bbb aaa bbb ``` Select the `bbb` column and press `rx`: ```text aaa xxx aaa xxx aaa xxx ``` ## Tips - This is a quick way to create visual separators or masks - Works with any character including spaces - `r ` replaces with newlines (breaks each line) - Combine with `$` to replace to end of each line

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`selection r{char}` In visual block mode, pressing `r` followed by a character replaces every character in the selected rectangle with that character. ## How it works - Select a block with `` and motions - Press `r` followed by the replacement character - Every character in the block is replaced ## Example ```text aaa bbb aaa bbb aaa bbb ``` Select the `bbb` column and press `rx`: ```text aaa xxx aaa xxx aaa xxx ``` ## Tips - This is a quick way to create visual separators or masks - Works with any character including spaces - `r` replaces with newlines (breaks each line) - Combine with `$` to replace to end of each line

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