which end with "sphere". Moreover, regular expressions are also
supported. For example, "[RX] ^inter.*al$" matches words which begin
with "inter" and end with "al".@footnote{Simplified forms, as
which end with "sphere". Moreover, regular expressions are also
supported. For example, "[RX] ^inter.*al$" matches words which begin
with "inter" and end with "al".@footnote{Simplified forms, as