The RFind () method in Python uses the detailed

Source: Internet
Author: User

This article mainly introduces the RFind () method in Python using the detailed, is the basic knowledge of Python, need friends can refer to the

The RFind () method returns the last index found by the child str, or-1, optionally restricting the search string string[beg:end] If there is no such index.

Grammar

The following is the syntax for the RFind () method:

?

1 Str.rfind (str, beg=0 End=len (String))

Parameters

STR--This option specifies the string to search for

Beg--This is the start index, by default 0

End--This is the ending index, which is equal to the length of the string by default

return value

This method returns 1 if it finds the last index returned.

Example

The following example shows the use of the RFind () method

?

1 2 3 4 5 6 7 8 9 10 11-12 #!/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);

When we run the above program, it produces the following results:

?

1 2 3 4 5 6 5 5-1 2 2-1
Related Article

E-Commerce Solutions

Leverage the same tools powering the Alibaba Ecosystem

Learn more >

Apsara Conference 2019

The Rise of Data Intelligence, September 25th - 27th, Hangzhou, China

Learn more >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.