log: warning for potential script crash

gmod/initConfig.sh

@@ -14,6 +14,10 @@ function configReplace() {
 	source="$1"
 	target="\"$2\""
 
+	if ! echo "$2" | grep -qe "^[a-zA-Z0-9_-]+$"; then
+		echo "[initConfig.sh]Warning your configured value for $source doesn't match regex ^[a-zA-Z0-9_-]+$. Special symbols could crash this script because they are not sanitized."
+	fi
+	
 	count=$(grep -Poc "($source).+" "${CFG_PATH}" || echo 0)
 	
 	echo "[initConfig.sh]Request for replacing $source to $target, source is found $count times"