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Search Function In Python

In this article, we will discuss the Search function in Python.

Purpose

The Search function searches a pattern in the string. If the pattern matches then it will return a match object.

If the pattern does not match then it will return None.

Example

import re

pattern = "country"
text = "my country is India"

#returns Match object
match = re.search(pattern, text)


print(match)

Output

Picture showing the match object when country word is matched in the string

Here span (3, 10) is the starting and ending position of the matched pattern. In the above code, the word Country starts at position number 3 and ends at position number 10.

Finding Multiple Instances

To find the multiple instances of the same string, we use the finditer method.

import re

pattern = "country"
text = "my country is India and I belong to this country"

for match in re.finditer(pattern, text):
    print(match.span())

Output

Picture showing the span function of match object when multiple instances are matched

Posted By -	Karan Gupta

Posted On -	Friday, July 3, 2020

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