From d3c6cf193231f8a04b13c53d52d7d37b17b2e94c Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Tue, 30 Dec 2014 14:14:47 +0000
Subject: [PATCH] Patch for an Issue #1079

---
 lib/core/option.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/core/option.py b/lib/core/option.py
index 2db7d3d78..fd3a8c21b 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -2187,6 +2187,13 @@ def _basicOptionValidation():
         errMsg = "option '--regexp' is incompatible with switch '--null-connection'"
         raise SqlmapSyntaxException(errMsg)
 
+    if conf.regexp:
+        try:
+            re.compile(conf.regexp)
+        except re.error, ex:
+            errMsg = "invalid regular expression '%s' ('%s')" % (conf.regexp, ex)
+            raise SqlmapSyntaxException(errMsg)
+
     if conf.dumpTable and conf.dumpAll:
         errMsg = "switch '--dump' is incompatible with switch '--dump-all'"
         raise SqlmapSyntaxException(errMsg)