diff --git a/app/src/main/resources/rules.txt b/app/src/main/resources/rules.txt
new file mode 100644
index 0000000..2cfa297
--- /dev/null
+++ b/app/src/main/resources/rules.txt
@@ -0,0 +1,29 @@
+//Standardized definitions
+digit = [0-9]
+port = (6553[0-5])|(655[0-2][0-9])|(65[0-4][0-9]{2})|(6[0-4][0-9]{3})|([1-5][0-9]{4})|([0-5]{0,5})|([0-9]{1,4})
+size = [0-9]{1,10}
+line = \r\n
+visiblechar = \p{Print}
+passchar = [^\s!]
+binary = .
+password = [^\s!]{5,50}
+bl = \s
+letter = [A-Za-z]
+digit_letter = [A-Za-z0-9]
+filename = [^\s!]{1,20}
+domain = [A-Za-z0-9.]{5,20}
+hash_filename = [A-Za-z0-9.]{50,200}
+hash_filecontent = [A-Za-z0-9.]{50,200}
+file_info = [A-Za-z0-9.]{50,200}\s[0-9]{1,10}\s[A-Za-z0-9.]{50,200}
+login = [A-Za-z0-9]{2,20}
+
+//StorBackEnd to FileFrontEnd
+sbe_hello = ^(HELLO)\s([A-Za-z0-9.]{5,20})\s((6553[0-5])|(655[0-2][0-9])|(65[0-4][0-9]{2})|(6[0-4][0-9]{3})|([0-5][0-9]{4})|([0-9]{1,4}))\r\n$ //TODO \r\n -> à tester pour voir si déjà dans le flux ou doit être construit
+
+//FileFrontEnd to StorBackEnd
+ffe_sendfile = ^(SENDFILE)\s([A-Za-z0-9.]{50,200}\s[0-9]{1,10}\s[A-Za-z0-9.]{50,200})\r\n(.*)$
+sbe_sendresult = ^(SEND_OK|SEND_ERROR)\r\n$
+ffe_erasefile = ^(ERASEFILE)\s([A-Za-z0-9.]{50,200})\r\n$
+sbe_eraseresult = ^(ERASE_OK|ERASE_ERROR)\r\n$
+ffe_retrievefile = ^(RETRIEVEFILE)\s([A-Za-z0-9.]{50,200})\r\n$
+sbe_retrieveresult = ^(RETRIEVE_OK)\s([A-Za-z0-9.]{50,200}\s[0-9]{1,10}\s[A-Za-z0-9.]{50,200})\r\n(.*)|(RETRIEVE_ERROR)$
\ No newline at end of file