Trouver la chaîne dans String Python
>>> str = "Messi is the best soccer player"
>>> "soccer" in str
True
>>> "football" in str
False
Misty Macaw
>>> str = "Messi is the best soccer player"
>>> "soccer" in str
True
>>> "football" in str
Falsesearch_text = 'man'
str = 'You are good man.'
if search_text in str:
print(f'Found "{search_text}" in string')
else:
print('Not found')The find() method returns the index of first occurrence of the substring
(if found). If not found, it returns -1.
message = 'Python is a fun programming language'
# check the index of 'fun'
print(message.find('fun'))
# Output: 12Input:
myStr = "py py py py"
print(myStr.find("js"))
print(myStr.index("js"))
Output:
-1
Traceback (most recent call last):
File "D:\Programming\python\article\find.py", line 38, in <module>
print(myStr.index("js"))
ValueError: substring not found