def _check_grain_pcre_minions(self, expr, delimiter, greedy):
        return self._check_cache_minions(expr,
                                         delimiter,
                                         greedy,
                                         'grains',
                                         regex_match=True)
Return a dict (src, project) for every project as configured
dataset/ETHPy150Open saltstack/salt/salt/utils/minions.py/CkMinions._check_grain_pcre_minions--crossover with--dataset/ETHPy150Open aldebaran/qibuild/python/qisrc/worktree.py/GitWorkTree.get_projects_on_branch