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Python String rfind() Method


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Description:

This 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:

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

Parameters:

Here is the detail of parameters:

  • str: specifies the string to be searched.

  • start : starting index, by default its 0

  • end : ending index, by default its equal to the lenght of the string.

Return Value:

It returns last index if found and -1 otherwise.

Example:

#!/usr/bin/python

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

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

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

This will produce following result:

5
5
-1
2
2
-1


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