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):
        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 ) : 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.
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 .