Not a valid regular expression error in Django -

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please see urlpatterns given below, following error when try run program...

improperlyconfigured @ / "^product/(?p<product_slug>  [-\w]+)/$" not valid regular expression: unexpected end of pattern   request method:   request url: http://127.0.0.1:8000/   django version: 1.5.1   exception type: improperlyconfigured   exception value: "^product/(?p<product_slug>  [-\w]+)/$" not valid regular expression: unexpected end of pattern   exception location: c:\python27\lib\site-packages\django-1.5.1-py2.7.egg\django\core\urlresolvers.py in regex, line 178   python executable: c:\python27\python.exe

urls.py

urlpatterns = patterns('ecomstore.catalog.views',             (r'^$','index',{'template_name':'catalog/index.html'},'catalog_home'),             (r'^category/(?p<category_slug>[-\w]+)/$','show_category',{'template_name':'catalog/category.html'},'catalog_category'),             (r'^product/(?p<product_slug>  [-\w]+)/$','show_product',{'template_name':'catalog/product.html'},'catalog_product'),         )

views.py

def index(request,template_name="catalog/index.html"):     page_title = 'music instruments , sheet music musicians'     return render_to_response(template_name,locals(),context_instance=requestcontext(request))  def show_category(request,category_slug,template_name="catalog/category.html"):     print 'in catalog views|category_slug=', category_slug     c = get_object_or_404(category,slug=category_slug)     products = c.product_set.all()     page_title = c.name     meta_keywords = c.meta_keywords     meta_description = c.meta_description     return render_to_response(template_name,locals(),context_instance=requestcontext(request))  def show_product(request,product_slug,template_name="catalog/product.html"):     p = get_object_or_404(product, slug=product_slug)     categories = p.categories.filter(is_active=true)     page_title = p.name     meta_keywords = p.meta_keywords     meta_description = p.meta_description     return render_to_response(template_name,locals(),context_instance=requestcontext(request))

you need capitalize ?p, so:

r'^product/(?p<product_slug>  [-\w]+)/$'

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