Hi everyone:

    I want to fold all line which are comment.

    eg.

    //aaaaaaaaaaaaaaaaaa

    //bbbbbbbbbbbbbbbbbb

    //cccccccccccccccccc

    //dddddddddddddddddd

    Can vim do this ?

Best

    Regards!

Something like this?

set fdm=expr
set fde=getline(v:lnum)=~'^\s*\/\/\\\|^\s*$'?1:0

c
--
Chris Lott <ch...@chrislott.org>

Hi
        If do you said, only fold "//" which are at the front of line

        So I modify ,and like " set fde=getline(v:lnum)=~'\s*\/\/\\\|^\s*$'?1:0"

        Now it will fold "//" which at back of line.

        Like this "        a = b; //comment

-----邮件原件-----
发件人: vim_use@googlegroups.com [mailto:vim_use@googlegroups.com] 代表 Chris Lott
发送时间: 2012年11月15日 15:20
收件人: vim_use@googlegroups.com
主题: Re: how fold all comment line?

Something like this?

set fdm=expr
set fde=getline(v:lnum)=~'^\s*\/\/\\\|^\s*$'?1:0

c
--
Chris Lott <ch...@chrislott.org>

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(please don't top poste)

you could leave out the first \s*, it doesn't matter here.

You need to anchor your pattern to the beginning of the line, like this:
set fde=set fde=getline(v:lnum)=~'^\s*\/\/\\\|^\s*$'?1:0 fdm=expr fen

You should probably read an introduction to regular expressions, like
:h 27.4 and the following.

regards,
Christian