diff --git a/sh/main.sh b/sh/main.sh
index 48e7f08..8e76ad4 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -49,7 +49,7 @@ rwx_main() {
 	# source user root
 	rwx_source "${RWX_SELF_USER}"
 	# parse code cache
-	rwx_parse
+	rwx_parse_code
 	# context / command
 	if [ -n "${RWX_COMMAND_NAME}" ]; then
 		"${RWX_SELF_COMMAND}${RWX_COMMAND_NAME}" "${@}"
@@ -163,30 +163,30 @@ rwx_find_shell() {
 # │ main │ parse │
 # ╰──────┴───────╯
 
-rwx_parse() {
-	local ws="[[:space:]]*"
-	local start="^${ws}"
-	local constant="[_A-Z][_0-9A-Z]*"
-	local setting="=.*"
-	local func="${ws}(${ws})${ws}{.*"
-	local id="[_a-zA-Z][_a-z0-9A-Z]*"
-	local line
-	RWX_CONSTANTS=""
+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_BEGIN="^${RWX_REGEX_SPACES}"
+RWX_REGEX_OPEN="\
+${RWX_REGEX_SPACES}(${RWX_REGEX_SPACES})${RWX_REGEX_SPACES}{.*"
+
+rwx_parse_code() {
+	# parse constants
+	RWX_CONSTANTS="$(rwx_parse_constants)"
+	# parse functions
+	RWX_FUNCTIONS="$(rwx_parse_functions)"
+}
+rwx_parse_constants() {
 	printf "%s\n" "${RWX_CODE}" |
-		grep "${start}${constant}${setting}" |
-		sed "s|${start}\\(${constant}\\)${setting}|\\1|" |
-		while IFS= read -r line; do
-		RWX_CONSTANTS="${RWX_CONSTANTS}${line}
-"
-	done
-	RWX_FUNCTIONS=""
+		grep "${RWX_REGEX_BEGIN}${RWX_REGEX_CONSTANT}${RWX_REGEX_SET}" |
+		sed "s|${RWX_REGEX_BEGIN}\\(${RWX_REGEX_CONSTANT}\\)${RWX_REGEX_SET}|\\1|"
+}
+rwx_parse_functions() {
 	printf "%s\n" "${RWX_CODE}" |
-		grep "${start}${id}${func}" |
-		sed "s|${start}\\(${id}\\)${func}|\\1|" |
-		while IFS= read -r line; do
-		RWX_FUNCTIONS="${RWX_FUNCTIONS}${line}
-"
-	done
+		grep "${RWX_REGEX_BEGIN}${RWX_REGEX_FUNCTION}${RWX_REGEX_OPEN}" |
+		sed "s|${RWX_REGEX_BEGIN}\\(${RWX_REGEX_FUNCTION}\\)${RWX_REGEX_OPEN}|\\1|"
 }
 
 # ╭──────┬─────╮