Search and convert to lower case on vim

vi change word to uppercase
vim lowercase all
vim substitute uppercase
vim change whole word to uppercase
vim shortcut to lowercase
lowercase text vim
regex convert to lowercase
vim search and replace

I have a code with object.attribute where attribute can be an array example: object.SIZE_OF_IMAGE[0] or a simple string. I want to search all occurrences "object.attribute" and replace it with self.lowercase(attribute) I want a regular expression on vim to do that.

I can use that :%s/object.*/self./gc and replace it manually but it is very slow.

Here are some examples:

object.SIZE to self.size

object.SIZE_OF_IMAGE[0] to self.size_of_image[0]

Vim - Convert text to lowercase or uppercase (Example), A protip by nicolaslazartekaqui about vim. If you want use this function in search/replace, do this to lowercase (example) :%s/[A-Z]/\L&/g. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Learn more Search and convert to lower case on vim

sed -E 's/object\.([^ \(]*)(.*)/self.lowercase(\1)\2/g' file_name.txt

above command considers that your attribute is followed by space or "("

you can tweek this command based on your need

How to convert all text to lowercase in Vim, If you really mean small caps, then no, that is not possible – just as it isn't possible to convert text to bold or italic in any text editor (as opposed  To convert all text to lowercase in vim do ggVGu or uppercase ggVGU look at the command ggVG is used to select all the text if you want you can select the text and use U or u to convert what was selected to uppercase or lowercase. If you want use this function in search/replace, do this to lowercase (example) :%s/[A-Z]/\L&/g or to uppercase (example)

In the command mode try this

:1,$ s/object.attribute/self.lowercase(attribute)/g

How to switch the case of characters in Vim, This is easily done using Vim. How to switch the case of characters in Vim Use the directional keys (h, j, k, l) to select the rest of the text you want to change. 2 If you want to make the text all lowercase use gu. If you find yourself highlighting text in Vim with your mouse to copy and paste it elsewhere,  To tell Vim to make the current change and then stop, use l, for last. ^E and ^Y allow you to scroll the text using Ctrl-e and Ctrl-y. Where you land. Searches in Vim put the cursor on the first character of the matched string by default; if you search for Debian, it would put the cursor on the D.

Based on your comment above that the attribute part "finishes by space or [ or (" you could match it with:

/object\.[^ [(]*

So, to replace it with self.attribute use a capturing group and \L to make everything lowercase:

:%s/\vobject\.([^ [(]*)/self.\L\1/g

Changing case in Vim, How do you change from lowercase to uppercase in Vim? If you want to convert text to lowercase, create a visual block and press u (or U to convert to uppercase). Tilde (~) in command mode reverses case of the character under the cursor. If you want to see all text in Vim in small caps, you might want to look at the guifont option, or type :set guifont=* if your Vim flavour supports GUI font chooser.

What are the vim commands that start with g?, is a prefix to several commands. e.g. goto to move the cursor, but also gqip to format a paragraph. Vim is a modal text editor, which means that it has a mode for writing text, a mode for running commands, etc. Vim has a total of 12 different editing modes. The three main modes are: Command mode (also sometimes reffered to as Normal mode) is where you can run commands. This is the default mode in which Vim starts up.

Unix/Linux - The vi Editor Tutorial, Which command is used to switch the case of the character under the cursor? Comments Edit. Note also the gu<motion> and gU<motion> commands. For example, ggguG will lowercase the entire file. (gg = go to top, gu = lowercase, G = go to EOF). By using the \0 general backref instead of the name ones (\1, \2 etc) you can save some typing for on replace stanza of the regex.

vi/vim case insensitive search (how to), and G keys at the same time to show the current filename and the status. Vim displays foo and FOO. This should be pretty easy to understand. This should be pretty easy to understand. In many languages (like Python) a common idiom is to force strings to lowercase before comparing them to perform a case-insensitive comparison.

Comments
  • Could you give us a realistic before/after example? As is, your question doesn't contain a single uppercase character in code samples so it's hard to see what you want to convert to lowercase, which makes it barely understandable.
  • I think OP is trying to change object.WHATEVER_THING to self.whatever_thing
  • attribute can be any string
  • @ChristianGibbons exactly but WHATEVER_THIN that finishes by space or [ or (