Add test for Issue #913: Hang from bad regex
Add test for Issue #913: Hang from bad regex

spacy-io/spaCy,Gregory-Howard/spaCy,raphael0202/spaCy,aikramer2/spaCy,honnibal/spaCy,raphael0202/spaCy,recognai/spaCy,spacy-io/spaCy,oroszgy/spaCy.hu,Gregory-Howard/spaCy,spacy-io/spaCy,Gregory-Howard/spaCy,recognai/spaCy,Gregory-Howard/spaCy,aikramer2/spaCy,explosion/spaCy,raphael0202/spaCy,oroszgy/spaCy.hu,aikramer2/spaCy,spacy-io/spaCy,recognai/spaCy,spacy-io/spaCy,explosion/spaCy,raphael0202/spaCy,Gregory-Howard/spaCy,raphael0202/spaCy,honnibal/spaCy,explosion/spaCy,recognai/spaCy,honnibal/spaCy,Gregory-Howard/spaCy,aikramer2/spaCy,explosion/spaCy,recognai/spaCy,recognai/spaCy,aikramer2/spaCy,honnibal/spaCy,oroszgy/spaCy.hu,aikramer2/spaCy,explosion/spaCy,oroszgy/spaCy.hu,oroszgy/spaCy.hu,spacy-io/spaCy,explosion/spaCy,oroszgy/spaCy.hu,raphael0202/spaCy