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How to search and replace text in a file using Python?
There is the re.sub() method in Python module re which helps to search a pattern and replace with a new sub string. If the pattern is not found, string is returned unchanged.
Syntax of re.sub()
re.sub(pattern, repl, string):
For example in the code below, we search for ‘India’ and replace it with ‘the World’ in the string 'TP is most popular Tutorials site of India'
Example
result=re.sub(r'India','the World','TP is the most popular Tutorials site of India') print result
Output
TP is the most popular Tutorials site of the World
Updated on 16-Dec-2019 09:05:47
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