Correctly extracting email addresses

core/include/fxcrt/fx_basic.h

Index: core/include/fxcrt/fx_basic.h
diff --git a/core/include/fxcrt/fx_basic.h b/core/include/fxcrt/fx_basic.h
index 6e7fbb4555d7420904637d4fe8920d39c08c5b1f..e78ea22fb12a6a41f8942286ed8971be1ea73b3f 100644
--- a/core/include/fxcrt/fx_basic.h
+++ b/core/include/fxcrt/fx_basic.h
@@ -27,6 +27,12 @@
 template <typename T, size_t N>
 char(&ArraySizeHelper(T(&array)[N]))[N];
 
+// Check whether a wide char is digital 0-9.
+#define FX_ISWDIGIT(x) ((x) >= L'0' && (x) <= L'9')
+// Check whether a wide char is an alphanumeric character A-Z or a-z.
+#define FX_ISWALPHA(x) \

[Lei Zhang, 2015/12/18 00:20:56]

We already have FXSYS_islower() and friends in core/include/fxcrt/fx_ext.h.
Let's put it there, and not as a #define.

[Wei Li, 2015/12/18 01:12:21]

Done.

+  (((x) >= L'A' && (x) <= L'Z') || ((x) >= L'a' && (x) <= L'z'))
+
 class CFX_BinaryBuf {
  public:
   CFX_BinaryBuf();