diff --git a/README.md b/README.md
index 841023d..1ceee61 100644
--- a/README.md
+++ b/README.md
@@ -65,17 +65,21 @@ Add the following to your `~/.tmux.conf` file:
 ``` tmux
 # Smart pane switching with awareness of Vim splits.
 # See: https://github.com/christoomey/vim-tmux-navigator
-is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
-    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
-bind-key -n 'C-h' if-shell "$is_vim" 'send-keys C-h'  'select-pane -L'
-bind-key -n 'C-j' if-shell "$is_vim" 'send-keys C-j'  'select-pane -D'
-bind-key -n 'C-k' if-shell "$is_vim" 'send-keys C-k'  'select-pane -U'
-bind-key -n 'C-l' if-shell "$is_vim" 'send-keys C-l'  'select-pane -R'
-tmux_version='$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p")'
-if-shell -b '[ "$(echo "$tmux_version < 3.0" | bc)" = 1 ]' \
-    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\'  'select-pane -l'"
-if-shell -b '[ "$(echo "$tmux_version >= 3.0" | bc)" = 1 ]' \
-    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\\\'  'select-pane -l'"
+
+# pseudo substring match by substituting "g?(view|n?vim?x?)(diff)?$" from the current commmand string
+bind-key -n C-k if-shell "[ '#{pane_current_command}' != '#{s/g?(view|n?vim?x?)(diff)?$//:#{pane_current_command}}' ]" "send-keys C-k" "select-pane -U"
+bind-key -n C-j if-shell "[ '#{pane_current_command}' != '#{s/g?(view|n?vim?x?)(diff)?$//:#{pane_current_command}}' ]" "send-keys C-j" "select-pane -D"
+bind-key -n C-h if-shell "[ '#{pane_current_command}' != '#{s/g?(view|n?vim?x?)(diff)?$//:#{pane_current_command}}' ]" "send-keys C-h" "select-pane -L"
+bind-key -n C-l if-shell "[ '#{pane_current_command}' != '#{s/g?(view|n?vim?x?)(diff)?$//:#{pane_current_command}}' ]" "send-keys C-l" "select-pane -R"
+# bring back clear screen (PREFIX + CTRL + l)
+bind-key C-l send-keys "C-l"
+
+# if "${tmux_version}" is greater or equal "3.0", then "send-keys C-\\\\", else "send-keys C-\\"
+# https://unix.stackexchange.com/a/285928
+tmux_version="#{version}"
+if-shell -b "[ #(printf '%s\n' '3.0' '${tmux_version}' | sort --version-sort | head --lines='1') ]" \
+    "bind-key -n C-\\ 'send-keys C-\\\\' 'select-pane -l'" \
+    "bind-key -n C-\\ 'send-keys C-\\'  'select-pane -l'"
 
 bind-key -T copy-mode-vi 'C-h' select-pane -L
 bind-key -T copy-mode-vi 'C-j' select-pane -D
diff --git a/plugin/tmux_navigator.vim b/plugin/tmux_navigator.vim
index a64e5dc..8ed2c26 100644
--- a/plugin/tmux_navigator.vim
+++ b/plugin/tmux_navigator.vim
@@ -2,6 +2,22 @@
 " no more windows in that direction, forwards the operation to tmux.
 " Additionally, <C-\> toggles between last active vim splits/tmux panes.
 
+" i am not sure about this one, but the below commented snipped is sufficient.
+" vim-tmux-navigator
+" function! TmuxMove(direction)
+"     let wnr = winnr()
+"     silent! execute 'wincmd ' . a:direction
+"     " if the winnr is still the same after we moved, it is the last pane.
+"     if wnr == winnr()
+"         call system('tmux select-pane -' . tr(a:direction, 'phjkl', 'lLDUR'))
+"     end
+" endfunction
+" 
+" nnoremap <silent> <c-h> :call TmuxMove('h')<cr>
+" nnoremap <silent> <c-j> :call TmuxMove('j')<cr>
+" nnoremap <silent> <c-k> :call TmuxMove('k')<cr>
+" nnoremap <silent> <c-l> :call TmuxMove('l')<cr>
+
 if exists("g:loaded_tmux_navigator") || &cp || v:version < 700
   finish
 endif
diff --git a/vim-tmux-navigator.tmux b/vim-tmux-navigator.tmux
index 0aeac55..0df9ada 100755
--- a/vim-tmux-navigator.tmux
+++ b/vim-tmux-navigator.tmux
@@ -1,22 +1,21 @@
 #!/usr/bin/env bash
 
-version_pat='s/^tmux[^0-9]*([.0-9]+).*/\1/p'
+# pseudo substring match by substituting "g?(view|n?vim?x?)(diff)?$" from the current commmand string
+tmux bind-key -n C-k if-shell "[ '#{pane_current_command}' != '#{s/g?(view|n?vim?x?)(diff)?$//:#{pane_current_command}}' ]" "send-keys C-k" "select-pane -U"
+tmux bind-key -n C-j if-shell "[ '#{pane_current_command}' != '#{s/g?(view|n?vim?x?)(diff)?$//:#{pane_current_command}}' ]" "send-keys C-j" "select-pane -D"
+tmux bind-key -n C-h if-shell "[ '#{pane_current_command}' != '#{s/g?(view|n?vim?x?)(diff)?$//:#{pane_current_command}}' ]" "send-keys C-h" "select-pane -L"
+tmux bind-key -n C-l if-shell "[ '#{pane_current_command}' != '#{s/g?(view|n?vim?x?)(diff)?$//:#{pane_current_command}}' ]" "send-keys C-l" "select-pane -R"
+# bring back clear screen (PREFIX + CTRL + l)
+tmux bind-key C-l send-keys "C-l"
 
-is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
-    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
-tmux bind-key -n C-h if-shell "$is_vim" "send-keys C-h" "select-pane -L"
-tmux bind-key -n C-j if-shell "$is_vim" "send-keys C-j" "select-pane -D"
-tmux bind-key -n C-k if-shell "$is_vim" "send-keys C-k" "select-pane -U"
-tmux bind-key -n C-l if-shell "$is_vim" "send-keys C-l" "select-pane -R"
-tmux_version="$(tmux -V | sed -En "$version_pat")"
-tmux setenv -g tmux_version "$tmux_version"
+tmux_version=$(tmux display-message -p "#{version}")
+tmux setenv -g tmux_version "${tmux_version}"
 
-#echo "{'version' : '${tmux_version}', 'sed_pat' : '${version_pat}' }" > ~/.tmux_version.json
-
-tmux if-shell -b '[ "$(echo "$tmux_version < 3.0" | bc)" = 1 ]' \
-  "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\'  'select-pane -l'"
-tmux if-shell -b '[ "$(echo "$tmux_version >= 3.0" | bc)" = 1 ]' \
-  "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\\\'  'select-pane -l'"
+# if "${tmux_version}" is greater or equal "3.0", then "send-keys C-\\\\", else "send-keys C-\\"
+# https://unix.stackexchange.com/a/285928
+tmux if-shell -b "[ #(printf '%s\n' '3.0' '${tmux_version}' | sort --version-sort | head --lines='1') ]" \
+    "bind-key -n C-\\ 'send-keys C-\\\\' 'select-pane -l'" \
+    "bind-key -n C-\\ 'send-keys C-\\'  'select-pane -l'"
 
 tmux bind-key -T copy-mode-vi C-h select-pane -L
 tmux bind-key -T copy-mode-vi C-j select-pane -D