By Pavle Jonoski
Check if a string contains substring in Python
String contains method in Python
Python’s alternative to String.contains is the keyword in.
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foobar = 'foobar'
substr = 'foo'
if substr in foobar:
print('Yes')
else:
print('No')
# Prints 'Yes'
Although under the hood Python may use some of the magic methods like
__contains__, __iter__ and __getitem__, you should try to avoid using
these methods directly on strings. These are useful when defining your own type
with testing membership capabilities.