diff --git a/autoload/spelunker/get_buffer.vim b/autoload/spelunker/get_buffer.vim
new file mode 100644
index 0000000..ab06b5a
--- /dev/null
+++ b/autoload/spelunker/get_buffer.vim
@@ -0,0 +1,33 @@
+scriptencoding utf-8
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! spelunker#get_buffer#all()
+	let l:window_text_list = getline(1, '$')
+	let l:window_text = join(l:window_text_list, "\n")
+
+	let l:window_text = s:filter_uri(l:window_text)
+	let l:window_text = s:filter_back_quoted_string(l:window_text)
+
+	echo l:window_text
+endfunction
+
+function! s:filter_uri(text)
+	if g:spelunker_disable_url = 1
+		return
+	endif
+
+	" FYI: https://vi.stackexchange.com/questions/3990/ignore-urls-and-email-addresses-in-spell-file/24534#24534
+	return substitute(a:text, '\w\+:\/\/[^[:space:]]\+', '', 'g')
+endfunction
+
+function! s:filter_back_quoted_string(text)
+	" for shell command
+	" ex) `ls -la`
+	if g:spelunker_disable_back_quoted_string = 1
+		return
+	endif
+
+	return substitute(a:text, '`\_.\+`', '', 'g')
+endfunction
diff --git a/plugin/spelunker.vim b/plugin/spelunker.vim
index 44642b3..8d8e6ad 100644
--- a/plugin/spelunker.vim
+++ b/plugin/spelunker.vim
@@ -42,6 +42,15 @@ if !exists('g:spelunker_disable_auto_group')
   let g:spelunker_disable_auto_group = 0
 endif
 
+if !exists('g:spelunker_disable_back_quoted_string')
+  let g:spelunker_disable_back_quoted_string = 0
+endif
+
+if !exists('g:spelunker_disable_url')
+  let g:spelunker_disable_url = 0
+endif
+
+
 let g:spelunker_check_type_buf_lead_write = 1
 let g:spelunker_check_type_cursor_hold = 2