Python string functions

37 cards·by lucrussell

pythoncomputing

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capitalize()

Capitalize the first letter

center(width[, fillchar])

Center in a string of length width

count(sub[, start[, end]])

Return the number of occurrences of substring sub in string

decode([encoding[, errors]])

Decodes the string using the codec registered for encoding

encode([encoding[,errors]])

Return an encoded version of the string. Default encoding is the current default string encoding

endswith(suffix[, start[, end]])

Return True if the string ends with the specified suffix

expandtabs([tabsize])

Return a copy of the string where all tab characters are expanded using space

find(sub[, start[, end]])

Return the lowest index in the string where substring sub is found

index(sub[, start[, end]])

Like find(), but raise ValueError when the substring is not found

isalnum()

True if all characters in the string are alphanumeric and there is at least one character

isalpha()

True if all characters in the string are alphabetic and there is at least one character

isdigit()

True if all characters in the string are digits and there is at least one character

islower()

True if all cased characters in the string are lowercase and there is at least one cased character

isspace()

True if there are only whitespace characters in the string and there is at least one character

istitle()

True if the string is a titlecased string and there is at least one character

isupper()

True if all cased characters in the string are uppercase and there is at least one cased character

join(seq)

Concatenate the strings in the sequence seq

ljust(width[, fillchar])

Return is left justified in a string of length width. Padding is done using the specified fillchar (default is a space)

lower()

Return a copy of the string converted to lowercase

lstrip([chars])

Return a copy of the string with leading characters removed. The chars argument is a string specifying the set of characters to be removed

partition(sep)

Split the string at the first occurrence of sep, and return a 3-tuple containing the part before the separator, the separator itself, and th

replace(old, new[, count])

Return a copy of the string with all occurrences of substring old replaced by new

rfind(sub [,start [,end]])

Return the highest index in the string where substring sub is found, such that sub is contained within s[start,end]

rindex(sub[, start[, end]])

Like rfind() but raises ValueError when the substring sub is not found

rjust(width[, fillchar])

Return the string right justified in a string of length width. Padding is done using the specified fillchar (default is a space)

rpartition(sep)

Split the string at the last occurrence of sep

rsplit([sep [,maxsplit]])

Return a list of the words in the string, using sep as the delimiter string

rstrip([chars])

Return a copy of the string with trailing characters removed

split([sep [,maxsplit]])

Return a list of the words in the string, using sep as the delimiter string

splitlines([keepends])

Return a list of the lines in the string, breaking at line boundaries

startswith(prefix[, start[, end]])

Return True if string starts with the prefix, otherwise return False

strip([chars])

Return a copy of the string with the leading and trailing characters removed

swapcase()

Return a copy of the string with uppercase characters converted to lowercase and vice versa

title()

Return a titlecased version of the string: words start with uppercase characters, all remaining cased characters are lowercase

translate(table[, deletechars])

Map characters through the given translation table

upper()

Convert to uppercase

zfill(width)

Pads a numeric string on the left with zeros