Is it possible for vim to treat underscores like spaces or hypens, so when I use the sequence dw, it doesn't delete whole sentence some_long_text_with_underscores, when the cursor is at the beginning?


dw deletes a word, and what constitutes a word is defined by the iskeyword setting. From :h word:

A word consists of a sequence of letters, digits and underscores, or a
sequence of other non-blank characters, separated with white space (spaces,
tabs, <EOL>).  This can be changed with the 'iskeyword' option.  An empty line
is also considered to be a word.

To remove _ from iskeyword, do:

set iskeyword-=_
  • 1
    It turned out to be a double-edged sword, as vim started to treat long function names as separate words. For example, a python function called ,,download_and_print()" is going to have colored ,,and'' - as this is a language keyword. It's also impossible to navigate with */# between function calls. I know it wasn't the part of the question, but wanted to mention this.
    – jligeza
    Oct 6 '15 at 7:54
  • @zmarszczony my function highlighting works fine, but */# is gone.
    – muru
    Oct 6 '15 at 9:05

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