Python 3 - String rfind() Method

Description

The rfind() method returns the last index where the substring str is found, or -1 if no such index exists, optionally restricting the search to string[beg:end].

Syntax

Following is the syntax for rfind() method −

str.rfind(str, beg = 0 end = len(string))

Parameters

str − This specifies the string to be searched.
beg − This is the starting index, by default its 0.
end &minus This is the ending index, by default its equal to the length of the string.

Return Value

This method returns last index if found and -1 otherwise.

Example

The following example shows the usage of rfind() method.

Live Demo

#!/usr/bin/python3

str1 = "this is really a string example....wow!!!"
str2 = "is"

print (str1.rfind(str2))
print (str1.rfind(str2, 0, 10))
print (str1.rfind(str2, 10, 0))

print (str1.find(str2))
print (str1.find(str2, 0, 10))
print (str1.find(str2, 10, 0))