code: func (e *edit) CommentOut(reLine []string) error {
  	allSearch := make([]ReplacerAtLine, len(reLine))
  
  	for i, v := range reLine {
  		allSearch[i] = ReplacerAtLine{
  			v,
  			"[[:space:]]*" + e.CommentChar + "[[:space:]]*",
  			"",
  		}
  	}
  
  	return e.ReplaceAtLineN(allSearch, 1)
  }
docs: // CommentOut removes the comment character of lines that mach any regular expression
  // in reLine.