[9684] Add helper function to check if a string is numeric

(based on DasBlub's repo commit 1d5b209)

Signed-off-by: VladimirMangos <vladimir@getmangos.com>

src/shared/Util.h

@@ -191,6 +191,24 @@ inline bool isNumericOrSpace(wchar_t wchar)
     return isNumeric(wchar) || wchar == L' ';
 }
 
+inline bool isNumeric(std::string const& str)
+{
+    for(std::string::const_iterator itr = str.begin(); itr != str.end(); ++itr)
+        if (!isNumeric(*itr))
+            return false;
+
+    return true;
+}
+
+inline bool isNumeric(std::wstring const& str)
+{
+    for(std::wstring::const_iterator itr = str.begin(); itr != str.end(); ++itr)
+        if (!isNumeric(*itr))
+            return false;
+
+    return true;
+}
+
 inline bool isBasicLatinString(std::wstring wstr, bool numericOrSpace)
 {
     for(size_t i = 0; i < wstr.size(); ++i)

src/shared/revision_nr.h

@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "9676"
+ #define REVISION_NR "9684"
 #endif // __REVISION_NR_H__