Some of the string methods are covered in the below sets.
String Methods Part- 1
String Methods Part- 2
More methods are discussed in this article
1. strip():- This method is used to delete all the leading and trailing characters mentioned in its argument.
2. lstrip():- This method is used to delete all the leading characters mentioned in its argument.
3. rstrip():- This method is used to delete all the trailing characters mentioned in its argument.
Python
# Python code to demonstrate working of # strip(), lstrip() and rstrip()str = "---neveropen---" # using strip() to delete all '-'print ( " String after stripping all '-' is : ", end="")print ( str.strip('-') ) # using lstrip() to delete all trailing '-'print ( " String after stripping all leading '-' is : ", end="")print ( str.lstrip('-') ) # using rstrip() to delete all leading '-'print ( " String after stripping all trailing '-' is : ", end="")print ( str.rstrip('-') ) |
Output:
String after stripping all '-' is : neveropen String after stripping all leading '-' is : neveropen--- String after stripping all trailing '-' is : ---neveropen
4. min(“string”):- This function returns the minimum value alphabet from the string.
5. max(“string”) :- This function returns the maximum value alphabet from string.
Python
# Python code to demonstrate working of # min() and max()str = "neveropen" # using min() to print the smallest character# prints 'e'print ("The minimum value character is : " + min(str)) # using max() to print the largest character# prints 's'print ("The maximum value character is : " + max(str)) |
Output:
The minimum value character is : e The maximum value character is : s
6. maketrans():- It is used to map the contents of string 1 with string 2 with respective indices to be translated later using translate().
7. translate():- This is used to swap the string elements mapped with the help of maketrans().
Python
# Python code to demonstrate working of # maketrans() and translate()from string import maketrans # for maketrans() str = "neveropen" str1 = "gfo"str2 = "abc" # using maketrans() to map elements of str2 with str1mapped = maketrans( str1, str2 ) # using translate() to translate using the mappingprint "The string after translation using mapped elements is : "print str.translate(mapped) |
Output:
The string after translation using mapped elements is : aeeksbcraeeks
In the above code, ‘g’ is replaced by a, ‘f’ is replaced by b, and ‘o’ is replaced by ‘c’ in the string using the translate function.
8.replace():- This function is used to replace the substring with a new substring in the string. This function has 3 arguments. The string to replace, new string which would replace and max value denoting the limit to replace action ( by default unlimited ).
Python
# Python code to demonstrate working of # replace() str = "nerdsfornerds is for nerds" str1 = "nerds"str2 = "Lazyroar" # using replace() to replace str2 with str1 in str# only changes 2 occurrences print ("The string after replacing strings is : ", end="")print (str.replace( str1, str2, 2)) |
Output:
The string after replacing strings is : neveropen is for nerds
This method is contributed by Chinmoy Lenka
9. expandtabs():- It is used to replace all tab characters(“\t”) with whitespace or simply spaces using the given tab size, which is optional to supply.
Syntax: string.tabsize(tabsize)
Parameters: Specifying the number of characters to be replaced for one tab character. By default, the function takes tab size as 8.
Return Value: A string in which all the tab characters are replaced with spaces.
Python3
# Python code to illustrate expandtabs()string = 'GEEKS\tFOR\tGEEKS' # No parameters, by default size is 8print (string.expandtabs()) # tab size taken as 2print(string.expandtabs(2)) # tab size taken as 5print(string.expandtabs(5)) |
Output:
GEEKS FOR GEEKS GEEKS FOR GEEKS GEEKS FOR GEEKS
