check if string has character python code example

Example 1: python string contains

>>> str = "Messi is the best soccer player"
>>> "soccer" in str
True
>>> "football" in str
False

Example 2: python check if character is letter

>>> 'A'.isalpha()
True
>>> '1'.isalpha()
False

Example 3: python check if string in string

if "blah" not in somestring: 
    continue

Example 4: 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

Example 5: python check if value in string

def is_value_in_string(value: str, the_string: str):
    return value in the_string.lower()

Example 6: python check if string contains substring

string = "My favourite programming language is Python"
substring = "Python"

if substring in string:
    print("Python is my favorite language")
elif substring not in string:
    print("Python is not my favourite language")