Strings & Characters Functions

ascii_letters	Returns the concatenation of all the alphabetical letters in lowercase and uppercase. (string).
ascii_lowercase	Returns the concatenation of all the alphabetical letters in lowercase. (string).
ascii_uppercase	Returns the concatenation of all the alphabetical letters in uppercase. (string).
capwords	Returns the capitalization of all the words (string).
digits	Returns the string '0123456789' (string).
hexdigits	Returns the string '0123456789abcdefABCDEF' (string).
match	Returns determines if the regex matches at the start of a string (re).
octdigits	Returns the string '01234567' (string).
pattern	Returns test (re).
printable	Returns the string of ASCII characters which are considered printable (string).
punctuation	Returns the string of ASCII characters which are considered punctuation characters (string).
search	Returns searches for a pattern match anywhere in the string (re).
split	Returns test (re).
whitespace	Returns the string ' \t\n\r\u000b\f' (string).

ascii_letters Returns the concatenation of all the alphabetical letters in lowercase and uppercase. (string).
ascii_lowercase Returns the concatenation of all the alphabetical letters in lowercase. (string).
ascii_uppercase Returns the concatenation of all the alphabetical letters in uppercase. (string).
capwords Returns the capitalization of all the words (string).
digits Returns the string '0123456789' (string).
hexdigits Returns the string '0123456789abcdefABCDEF' (string).
match Returns determines if the regex matches at the start of a string (re).
octdigits Returns the string '01234567' (string).
pattern Returns test (re).
printable Returns the string of ASCII characters which are considered printable (string).
punctuation Returns the string of ASCII characters which are considered punctuation characters (string).
search Returns searches for a pattern match anywhere in the string (re).
split Returns test (re).
whitespace Returns the string ' \t\n\r\u000b\f' (string).