Python rfind () method

Python strings

description

Python rfind () returns the position of the last occurrence of the string, if there is no match -1 is returned.

grammar

rfind () method syntax:

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

parameter

• str - the search string
• beg - Find the location, the default is 0
• end - the end find a location, the default is the length of the string.

return value

It returns the position of the last occurrence of the string, if there is no match -1 is returned.

Examples

The following example shows rfind () function to use:

#!/usr/bin/python

str = "this is really a string example....wow!!!";
substr = "is";

print str.rfind(substr);
print str.rfind(substr, 0, 10);
print str.rfind(substr, 10, 0);

print str.find(substr);
print str.find(substr, 0, 10);
print str.find(substr, 10, 0);

Examples of the above output results are as follows:

5
5
-1
2
2
-1

Python strings