From 5293573116e0538e2af7b1935b768abdafbc1b61 Mon Sep 17 00:00:00 2001
From: darkredtitan <70135297+darkredtitan@users.noreply.github.com>
Date: Sun, 8 Nov 2020 22:34:02 +0200
Subject: [PATCH] Allow period and numbers in firstname/lastname regex check
 (#144)

* Remove unnecessary whitespace check in regex
* Allow dot characters in names (except at the beginning of a name)
* Allow numbers in names
---
 src/CNLoginServer.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/CNLoginServer.cpp b/src/CNLoginServer.cpp
index d3a8362..710a749 100644
--- a/src/CNLoginServer.cpp
+++ b/src/CNLoginServer.cpp
@@ -438,8 +438,9 @@ bool CNLoginServer::isPasswordCorrect(std::string actualPassword, std::string tr
 }
 
 bool CNLoginServer::isCharacterNameGood(std::string Firstname, std::string Lastname) {
-    std::regex firstnamecheck("[a-zA-Z0-9]+(?: [a-zA-Z0-9]+)*$");
-    std::regex lastnamecheck("[a-zA-Z0-9]+(?: [a-zA-Z0-9]+)*$");
+    //Allow alphanumeric and dot characters in names(disallows dot and space characters at the beginning of a name)
+    std::regex firstnamecheck(R"(((?! )(?!\.)[a-zA-Z0-9]*\.{0,1}(?!\.+ +)[a-zA-Z0-9]* {0,1}(?! +))*$)");
+    std::regex lastnamecheck(R"(((?! )(?!\.)[a-zA-Z0-9]*\.{0,1}(?!\.+ +)[a-zA-Z0-9]* {0,1}(?! +))*$)");
     return (std::regex_match(Firstname, firstnamecheck) && std::regex_match(Lastname, lastnamecheck));
 }
 #pragma endregion helperMethods