url_recipe: avoid empty regex
authorAdam Dickmeiss <adam@indexdata.dk>
Mon, 18 Jul 2011 12:21:48 +0000 (14:21 +0200)
committerAdam Dickmeiss <adam@indexdata.dk>
Mon, 18 Jul 2011 12:21:48 +0000 (14:21 +0200)
commitf361b19c06d801535a66ed1cd77b75e496b85426
tree8297750948c85ebed9be2e4da306bbaaf5d2d658
parente5329397729e8959a821c6956f75012372fc0a77
url_recipe: avoid empty regex

On some Boost regex libraries an empty regex throws an exception
src/url_recipe.cpp