Strings & Characters Functions

ascii_letters	Returns the concatenation of all the alphabetical letters in lowercase and uppercase.
ascii_lowercase	Returns the concatenation of all the alphabetical letters in lowercase.
ascii_uppercase	Returns the concatenation of all the alphabetical letters in uppercase.
digits	Returns test
hexdigits	Returns test
lower	Returns test
match	Returns test
octdigits	Returns test
pattern	Returns the
printable	Returns test
punctuation	Returns test
search	Returns test
split	Returns test
upper	Returns test
whitespace	Returns test

ascii_letters Returns the concatenation of all the alphabetical letters in lowercase and uppercase.
ascii_lowercase Returns the concatenation of all the alphabetical letters in lowercase.
ascii_uppercase Returns the concatenation of all the alphabetical letters in uppercase.
digits Returns test
hexdigits Returns test
lower Returns test
match Returns test
octdigits Returns test
pattern Returns the
printable Returns test
punctuation Returns test
search Returns test
split Returns test
upper Returns test
whitespace Returns test