diff --git a/sh/code.sh b/sh/code.sh
index 2ec9095..49cc993 100644
--- a/sh/code.sh
+++ b/sh/code.sh
@@ -6,8 +6,18 @@
 # │ code │ variables │
 # ╰──────┴───────────╯
 
-# path to the required parsing awk script
+# cache for the parsing awk script
 _rwx_code_awk="$(cat "${RWX_ROOT_SYSTEM}/code.awk")"
+# cache for code aliases
+_rwx_code_aliases=""
+# cache for code aliases functions
+_rwx_code_aliases_functions=""
+# cache for code constants
+_rwx_code_constants=""
+# cache for code functions
+_rwx_code_functions=""
+# cache for code variables
+_rwx_code_variables=""
 
 # ╭──────┬───────╮
 # │ code │ parts │
@@ -19,6 +29,11 @@ rwx_code() {
 	echo "${_rwx_code}"
 }
 
+# show the cached awk script
+rwx_code_awk() {
+	echo "${_rwx_code_awk}"
+}
+
 # show the cached aliases
 #= rca
 rwx_code_aliases() {
@@ -31,11 +46,6 @@ rwx_code_aliases_functions() {
 	echo "${_rwx_code_aliases_functions}"
 }
 
-# show the cached awk script
-rwx_code_awk() {
-	echo "${_rwx_code_awk}"
-}
-
 # show the cached constants
 #= rcc
 rwx_code_constants() {
@@ -73,7 +83,7 @@ rwx_code_check() {
 rwx_code_doc() {
 	local name="${1}"
 	[ -n "${name}" ] || return
-	printf "%s" "${_rwx_code}" |
+	rwx_code |
 		awk \
 			--assign action="doc" \
 			--assign target="${name}" \
diff --git a/sh/main.sh b/sh/main.sh
index 51799ce..1bce024 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -181,26 +181,6 @@ rwx_find_shell() {
 # │ main │ parse │
 # ╰──────┴───────╯
 
-RWX_REGEX_CONSTANT="[_A-Z][_0-9A-Z]*"
-RWX_REGEX_FUNCTION="[_A-Za-z][_0-9A-Za-z]*"
-RWX_REGEX_SET="=.*"
-RWX_REGEX_SPACES="[[:space:]]*"
-RWX_REGEX_VARIABLE="[_a-z][_0-9a-z]*"
-
-RWX_REGEX_BEGIN="^"
-RWX_REGEX_OPEN="\
-${RWX_REGEX_SPACES}(${RWX_REGEX_SPACES})${RWX_REGEX_SPACES}{.*"
-
-RWX_REGEX_TARGET_CONSTANT="\
-${RWX_REGEX_BEGIN}\\(${RWX_REGEX_CONSTANT}\\)${RWX_REGEX_SET}"
-RWX_REGEX_TARGET_FUNCTION="\
-${RWX_REGEX_BEGIN}\\(${RWX_REGEX_FUNCTION}\\)${RWX_REGEX_OPEN}"
-RWX_REGEX_TARGET_VARIABLE="\
-${RWX_REGEX_BEGIN}\\(${RWX_REGEX_VARIABLE}\\)${RWX_REGEX_SET}"
-
-# cache for code variables
-_rwx_code_variables=""
-
 rwx_parse_code() {
 	# parse aliases
 	_rwx_code_aliases="$(rwx_parse_aliases)"