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This article will explain in detail what is the role of rfind () method in Python. The content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

Description

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

Grammar

The syntax of the rfind () method:

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

Str-the string to find

Beg-the location where the search starts. Default is 0.

End-ends the lookup position, which defaults to the length of the string.

Return value

Returns the position where the string last appeared, or-1 if there is no match.

Example

The following example shows the use of the rfind () function:

Example #! / usr/bin/pythonstr = "this is really a string example.wowowned examples!"; 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)

The output of the above example is as follows:

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