Python has a built-in string function that Finds all occurrences of a substring in a string, but you could use the more powerful regular expressions.
Here is an example find all occurrences of a substring in a string using start() and re.finditer method.
You have to import the re module for this example.
import re s = 'Code Test Python Code ' res = [m.start() for m in re.finditer('Code', s)] print(res)
Read more examples: Python find all occurrences in the string
Do comment if you have any doubts and suggestions on this Python string topic.
Note: IDE: PyCharm 2021.3.3 (Community Edition)
All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.
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