Vim text operations

● Large and lowercase letter Interchange
In normal mode, all ggvggu is capitalized, while all ggvggu is smaller, ggvgg ~ Is case-insensitive.
(To explain, ggvg is all selected. You can select all the other methods, or select a part)
● Remove English
: % S/\ v \ A + // G
● Remove numbers
: % S/\ v \ D + // G
● Remove both English and numbers
: % S/\ v (\ d | \ A) + // G
● Remove Spaces
: % S // G
● Only Remove trailing Spaces
: % S/\ v \ s + $ // G (Note: This is the blank at the end of the deletion, including spaces and tabs)
● Remove the "=" encoding before "="
: % S/\ V ^ [^ =] + \ = // G
● Delete empty rows
: % S/\ v \ n +/\ r/g
● Delete Chinese characters and phrases
: % S/\ V [^ \ x00-\ xFF] + // G
(Note: Vim cannot represent "Chinese characters", but can only represent "non-single-byte characters", including all Chinese characters and double-byte characters)
● Extract single words
● Extract phrases
● Extract encoded entries
● Extract unencoded entries
● Extract entries with Chinese characters
● Extract entries with English
● Extract an entry with English (excluding the English equivalent)
: G/regular expression/d Indicates deleting all rows with regular expressions
: V/regular expression/d Indicates deleting all rows without regular expressions
★"Extraction" is not easy. You can delete rows that do not meet the requirements. As an exercise, try it yourself? Use the: G or: V command. Haha

● Delete the entry with Chinese and English after "="
Simple, um
● Word code reconciliation
: % S/\ V ^ ([^ =] +) \ = (. +) $/\ 2 = \ 1/g
● Dictionary format conversion
1. Change: "Why the Emy of Computer Science":
Computer
Further
CAS
: % S // \ r/g
2. The format on the left is changed to the format on the right:
Zhuo 'zhong 'zhi' chu' highlights zzzc
Zhu'yuan 'you 'er 'belongs to syye.
Self-blame zi'yuan 'zi'yi 'self-blame zyzy
: % S/\ v (\ A) (\ A {-1,} ')/\ 1/g
● Raise and delete a specific entry, for example, "heavy"
1. Encoding
To remove a word string containing 'weight:
: G/weight/d
Method for Extracting Words Containing 'weight'
: V/heavy/D (the so-called extraction is to delete unnecessary files, so it is better to back up the original files in advance)
2. Without Encoding
To remove a word string containing 'weight:
Method for Extracting Words Containing 'weight'
★What is the difference with encoding?
● Optimization
"Yyyw highly comments on cognition of Speech"
Separated:
About yyyw
Remarks by yyyw
Yyyw Epistemology
Yyyw high rating
★Not easy ~~ I have to think about it again.
● Extract several words. The following uses two words as an example.
: V/\ V ^ ([\ x00-\ xFF] * [^ \ x00-\ xFF] [\ x00-\ xFF] *) {2} $/d
● Add "=" between the encoding and the word"
★How to distinguish them?
● Delete Related Phrases
1. Delete All "two-character" phrases with "starting with" word ".
: G/\ v \ =/d
2. Delete the phrase "two words" after the word ends
: G/$/d