Python 3 - String rfind() Method


Advertisements

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.

#!/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))

Result

When we run above program, it produces the following result −

5
5
-1
2
2
-1
python_strings.htm

Useful Video Courses


Video

Python Online Training

187 Lectures 17.5 hours

Malhar Lathkar

Video

Python Essentials Online Training

55 Lectures 8 hours

Arnab Chakraborty

Video

Learn Python Programming in 100 Easy Steps

136 Lectures 11 hours

In28Minutes Official

Video

Python with Data Science

Best Seller

75 Lectures 13 hours

Eduonix Learning Solutions

Video

Python 3 from scratch to become a developer in demand

Best Seller

70 Lectures 8.5 hours

Lets Kode It

Video

Python Data Science basics with Numpy, Pandas and Matplotlib

Most Popular

63 Lectures 6 hours

Abhilash Nelson

Advertisements