vim替换的几个前缀定位参数
Swapping via regular expressions is performed by the ex command， 替换通过正则表达式执行通过 ex 命令
:{range}s/pattern/string/{flags} {count}
如果你想替换指定行，你需要提供这一行的绝对定位，也就是第几行。
a specific line = 2s
If you wish to replace instances of a work on a specific line you can supply the exact line with the absolute location. To swap matches only on line 2:
a specific line = 2s
If you wish to replace instances of a work on a specific line you can supply the exact line with the absolute location. To swap matches only on line 2:
:2s/Seconds/time
Or you can use a relative location using -/+. To swap only on a line two above the cursor:
光标的前的第2行
光标的前的第2行
:-2s/Seconds/time
Range can also be defined by using visual mode to select the area to perform the search. Visually select a region and press :
范围
范围
:'<,'>s/Second/time
Ranges can also be absolute or relative
2-4行
光标前2 到后2行
2-4行
光标前2 到后2行
:2,4s/Second/time :-2,+2s/Second/time
The first does lines 2 through 4 and the second does 2 lines above the cursor to two lines below the cursor.
全部 就是 %
全部 就是 %
If you want to swap all cases you can supply the range and the flag g which finds all matches. Supply the % range for the entire document.
:%s/Seconds/time/g
Some commonly used flags are:
- c: Confirms each substitution (yes/no/abort/quit)
- g: Replace all occurrences in a line. Without this flag only the first instance on a line is swapped.
- i: Ignore the case of the pattern
- I: DO NOT ignore the case of the pattern
For further information check out the built in help :h :substitute.
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