python string replace example
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title: python string replace tutorial with code examples
introduction:
in python, the str.replace() method is a powerful tool for modifying strings by replacing specified substrings with new values. this tutorial will guide you through the usage of the str.replace() method with detailed explanations and practical code examples.
the syntax for the str.replace() method is as follows:
let's start with a simple example:
output:
in this example, every occurrence of "hello" in the original string is replaced with "hi."
to perform a case-insensitive replacement, you can use the str.lower() or str.upper() methods:
output:
you can limit the number of replacements using the count parameter:
output:
in this example, only the first two occurrences of "apple" are replaced with "pear."
the str.replace() method in python is a versatile tool for string manipulation. whether you need to perform case-sensitive or case-insensitive replacements, or limit the number of replacements, this method provides a straightforward and efficient solution for modifying strings in your python programs.
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