diff --git a/REGEX.cpp b/REGEX.cpp
index 498938a..b10168f 100644
--- a/REGEX.cpp
+++ b/REGEX.cpp
@@ -32,6 +32,11 @@ m_regex()
 }
 
 bool CREGEX::load()
+/* Older versions of GCC appear to support REGEX but silently fail to match. Even
+ * though the headers exist and the code compiles and runs cleanly. The below #if block 
+ * stops the REGEXs being loaded in these cases, effectively disabling REGEX functionality. 
+ * The loading code is replaced with a log entry to show the user this has happened.
+*/
 {
 #if defined(__GNUC__) && (__GNUC__ <= 4) || (__GNUC__ == 4 && __GNUC_MINOR__ <= 9)
 	LogError("REGEX is not properly supported in GCC vesions below 4.9. Not loading REGEX");