Vim: When matching strings on multiple lines using \ _. in regex, the yank command only works for the first line

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I want to extract multiple occurences of some text that spans multiple lines and can be matched with a single Vim regex (using meta character \_). Unfortunately, althouth the matching lines are properly highlighted in Vim, when I add any Vim command (like delete or yank) after the matching regexp, the command only works on the first line of each match.

Example:

 1: bad_function(arg1,
 2:              arg2, arg3,
 3:              ...
 4:              argN);
 5: good_function();
 6: ...
 7: bad_function(arg2_1,
 8:              ...
 9:              arg2_N);
10: another_good_function();

If I execute :g/bad_function([^;]\+\_[^;]\+;$/d, then only lines 1 and 7 get deleted although highlighted are lines 1-4 and 7-9.

How to yank/delete all the matched (highlighted) lines?


Try this:

:let @a=''
:g/first\_.*second.*$/normal! v/second^M$"Ay

Enter the ^M with CTRL-V then Enter.