Index: include/strEx.h
===================================================================
--- include/strEx.h	(revision 83c2453bd209bbcbe951741bc2e965e26f0e2f5c)
+++ include/strEx.h	(revision fa11893d092101f2c6f48b727c9407ed71d9f635)
@@ -689,20 +689,21 @@
 	}
 
-	inline long long stoi64_as_BKMG(std::wstring s) {
-		std::wstring::size_type p = s.find_first_of(_T("BMKGT"));
-		if (p == std::wstring::npos)
-			return boost::lexical_cast<long long>(s.c_str());
-		else if (s[p] == 'B') 
-			return boost::lexical_cast<long long>(s.c_str());
+	inline long long stoi64_as_BKMG(const std::wstring &s) {
+		std::wstring::size_type p = s.find_first_not_of(_T("0123456789"));
+		if (p == std::wstring::npos || p == 0)
+			return boost::lexical_cast<long long>(s);
+		std::wstring numbers = s.substr(0, p);
+		if (s[p] == 'B') 
+			return boost::lexical_cast<long long>(numbers);
 		else if (s[p] == 'K') 
-			return boost::lexical_cast<long long>(s.c_str())*1024;
+			return boost::lexical_cast<long long>(numbers)*1024;
 		else if (s[p] == 'M') 
-			return boost::lexical_cast<long long>(s.c_str())*1024*1024;
+			return boost::lexical_cast<long long>(numbers)*1024*1024;
 		else if (s[p] == 'G') 
-			return boost::lexical_cast<long long>(s.c_str())*1024*1024*1024;
+			return boost::lexical_cast<long long>(numbers)*1024*1024*1024;
 		else if (s[p] == 'T') 
-			return boost::lexical_cast<long long>(s.c_str())*1024*1024*1024*1024;
+			return boost::lexical_cast<long long>(numbers)*1024*1024*1024*1024;
 		else
-			return boost::lexical_cast<long long>(s.c_str());
+			return boost::lexical_cast<long long>(numbers);
 	}
 #define BKMG_RANGE _T("BKMGTP")