PYTHON

python check character exists in string

string = 'ex@mple'

if '@' in string:
	return True

if '@' not in string:
	return False

python if string contains char

myString = "<text contains this>"
myOtherString = "AnotherString"

# Casting to string is not needed but it's good practice
# to check for errors 

if str(myString) in str(myOtherString): 
    # Do Something
else:
	# myOtherString didn't contain myString
    

how to check if character in string python

txt = "foobar"
print("foo" in txt)

python check if string contains one of characters list

if any(ext in url_string for ext in extensionsToCheck):
    print(url_string)

python check if string contains symbols

any(not c.isalnum() for c in string)

python check if character in string

str="Hello, World!"
print("World" in str) # True