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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def regex(self, *patterns, **kwargs):
 """ Search the editor for lines matching the regular expression. re.MULTILINE is not currently supported. Args: \*patterns: Regular expressions to search each line for keys_only (bool):
 Only return keys flags (re.FLAG):
 flags passed to re.search Returns: results (dict):
 Dictionary of pattern keys, line values (or groups - default) """

        start = kwargs.pop("start", 0)
        stop = kwargs.pop("stop", None)
        keys_only = kwargs.pop("keys_only", False)
        flags = kwargs.pop("flags", 0)
        results = {pattern: [] for pattern in patterns}
        stop = stop if stop is not None else -1
        for i, line in enumerate(self[start:stop]):
            for pattern in patterns:
                grps = re.search(pattern, line, flags=flags)
                if grps and keys_only:
                    results[pattern].append(i)
                elif grps and grps.groups():
                    for group in grps.groups():
                        results[pattern].append((i, group))
                elif grps:
                    results[pattern].append((i, line))
        if len(patterns) == 1:
            return results[patterns[0]]
        return results