h2o-py/h2o/frame.py
def countmatches(self, pattern):
        """
        For each string in the frame, count the occurrences of the provided pattern.  If countmathces is applied to
        a frame, all columns of the frame must be type string, otherwise, the returned frame will contain errors.

        The pattern here is a plain string, not a regular expression. We will search for the occurrences of the
        pattern as a substring in element of the frame. This function is applicable to frames containing only
        string or categorical columns.

        :param str pattern: The pattern to count matches on in each string. This can also be a list of strings,
            in which case all of them will be searched for.
        :returns: numeric H2OFrame with the same shape as the original, containing counts of matches of the
            pattern for each cell in the original frame.
        """
        assert_is_type(pattern, str, [str])
        fr = H2OFrame._expr(expr=ExprNode("countmatches", self, pattern))
        fr._ex._cache.nrows = self.nrow
        fr._ex._cache.ncols = self.ncol
        return fr
def countmatches(self, pattern):
        """
        For each string in the frame, count the occurrences of the provided pattern.  If countmathces is applied to
        a frame, all columns of the frame must be type string, otherwise, the returned frame will contain errors.

        The pattern here is a plain string, not a regular expression. We will search for the occurrences of the
        pattern as a substring in element of the frame. This function is applicable to frames containing only
        string or categorical columns.

        :param str pattern: The pattern to count matches on in each string. This can also be a list of strings,
            in which case all of them will be searched for.
        :returns: numeric H2OFrame with the same shape as the original, containing counts of matches of the
            pattern for each cell in the original frame.
        """
        assert_is_type(pattern, str, [str])
        fr = H2OFrame._expr(expr=ExprNode("countmatches", self, pattern))
        fr._ex._cache.nrows = self.nrow
        fr._ex._cache.ncols = self.ncol
        return fr
For each string in the frame, count the occurrences of the provided pattern.  If countmathces is applied to
        a frame, all columns of the frame must be type string, otherwise, the returned frame will contain errors.

        The pattern here is a plain string, not a regular expression. We will search for the occurrences of the
        pattern as a substring in element of the frame. This function is applicable to frames containing only
        string or categorical columns.

        :param str pattern: The pattern to count matches on in each string. This can also be a list of strings,
            in which case all of them will be searched for.
        :returns: numeric H2OFrame with the same shape as the original, containing counts of matches of the
            pattern for each cell in the original frame.