diff --git a/sh/main.sh b/sh/main.sh
index ef831c0..dc21f3b 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -186,13 +186,11 @@ rwx_parse_code() {
 }
 rwx_parse_constants() {
 	printf "%s\n" "${RWX_CODE}" |
-		grep "${RWX_REGEX_TARGET_CONSTANT}" |
-		sed "s|${RWX_REGEX_TARGET_CONSTANT}|\\1|"
+		sed "/${RWX_REGEX_TARGET_CONSTANT}/s|${RWX_REGEX_TARGET_CONSTANT}|\\1|"
 }
 rwx_parse_functions() {
 	printf "%s\n" "${RWX_CODE}" |
-		grep "${RWX_REGEX_TARGET_FUNCTION}" |
-		sed "s|${RWX_REGEX_TARGET_FUNCTION}|\\1|"
+		sed "/${RWX_REGEX_TARGET_FUNCTION}/s|${RWX_REGEX_TARGET_FUNCTION}|\\1|"
 }
 
 # ╭──────┬─────╮