Python string API

String.capitalize ()

The first character of the string is capitalized

String.center (Width,[,fill])

Center of the original character, space padding to width length

String.count (Str,beg=0,end=len (String))

Gets the number of a substring in a string, calculates the number of occurrences, and can specify the range

String.decode (encoding= ' UTF-8 ', errors= ' strict ')

Decode string, error default report ValueError unless errors is ignore or replace

String.encode (encoding= ' UTF-8 ', errors= ' strict ')String.endswith (Suffix,beg=0,end=len (String))

Whether to end with * *

String.expandtabs (tabsize=8)

Turn tab in string to a space, default 8

String.find (Str,beg=0,end=len (STIRNG))

Detects whether a STR is included, there is a return start index, otherwise returns-1

String.index (Str,begin=0,end=len (String))

With find, there is no report exception, ValueError

String.isalnum ()

At least one character, and all characters are letters or numbers, True. Detects if a string contains only 0-9a-za-z

String.isalpha ()

At least one character, all characters are letters, True. Detects if a string contains only letters

String.isdecimal ()

Contains only decimal digits, True

Stirng.isdigit ()

Contains only numbers, True. Detects if a string contains only numbers

String.islower ()

At least one uppercase character and all characters lowercase, True. Detect if the string is both lowercase letters

String.isnumeric ()

Contains only numeric characters, True

String.isspace ()

Contains only spaces, True. Detects whether a string is both a white-space character

String.istitle ()

The caption character, True. Detects whether a word in a string is capitalized in the first letter

String.isupper ()

At least one uppercase and lowercase character and all characters are capitalized, True. Detect if a string is all uppercase

String.Join (seq)

With string as the delimiter, all elements in the SEQ are merged into a new string. Inserts the original string between every two characters in the argument string

String.ljust (width)

Returns an original string left aligned, space added to length width

String.Lower ()

Turn lowercase. Convert all strings to lowercase

String.lstrip ()

Cut off the left space

String.partition (str)

= Find+split, first position from STR, truncated to PRE_STR,STR,AFTER_STR tuple, without str pre_str=strstring.replace (Str1,str2,num=string.count ( STR1)) Replace, specify no more than num times and can be implemented as a template

String.rfind (Str,beg=0,end=len (String))

Same as find, start on the right.

String.rindex (Str,beg=0,end=len (String))

Same as index, start right

String.rjust (width)

Right-justified, space-padded

String.rpartition (str)

Same partition, right start.

String.rstrip ([chars])

Clears the right margin, including newline characters, returning the processed string

String.Split (str= "", Maxsplit =string.count (str))

In str slices, you can specify the number of splits, split the string, return the list, the default delimiter space

String.splitlines (Num=string.count (' \ n '))

S.splitlines ([keepends]) separated by rows to specify the number of splits

String.startswith (Obj,beg=0,end=len (String))

Start with STR, True. Detects whether a string starts with a substring

String.strip ([obj])

Execute Lstrip and Rstrip on string

String.swapcase

Reverses the case in a string. String lowercase uppercase, uppercase to lower case

String.title ()

Title flower, capitalize the first letter of the word, the remaining lowercase

String.translate (str,del= "")

S.translate (table) converts a string character based on Str, and the character to be filtered is placed in the Del parameter

String.upper ()

Turn the capitalization. To capitalize all strings

String.zfill (width)

Returns the length width of the string, the original string right-aligned, front padding 0

Len (String)

Gets the length of the string

Python string API