pattern string "tty[SR]" would match either "ttyS" or "ttyR". Ranges are also
supported within this match with the '\-' character. For example, to match on
the range of all digits, the pattern [0\-9] would be used. If the first character
pattern string "tty[SR]" would match either "ttyS" or "ttyR". Ranges are also
supported within this match with the '\-' character. For example, to match on
the range of all digits, the pattern [0\-9] would be used. If the first character