Let’s apply exactly the same Python syntax to our second string:print(any(c.isalpha() for c in my_string2)) # Check if letters are contained in string # FalseThis time, the logical value False has been returned, i.e. our second string does not contain any letters....
3. Check String is Empty Using not Operator Thenotoperator is a logical operator that returnsTrueif the value or expression isFalse, andFalseif the value or expression isTrue. So if we specify not before the string in the if condition, It will become True when the string is empty and Fa...
The python str class has a __contains__() method that will check if a python string contains a substring. It will return true if it’s found and will return false if it’s not. You will notice that the method name is wrapped in two underscores. This prevents this method from being ...
print("The string does not contain 'CA'") In this example, theinoperator checks if the substring"CA"is present in thestatestring variable, which represents a U.S. state name. The code will output “The string contains ‘CA'” since “California” includes “CA”. Theinoperator is case-...
compile('[@_!#$%^&*()<>?/\|}{~:]') # Printing values print("Entered String is ", myStr) if(regularExp.search(myStr) == None): print("The string does not contain special character(s)") else: print("The string contains special character(s)") ...
defcheck_letter(string,letter):index=string.find(letter)ifindex!=-1:print(f"The string '{string}' contains the letter '{letter}' at index{index}.")else:print(f"The string '{string}' does not contain the letter '{letter}'.")# 示例调用check_letter("Hello, World!","o")check_letter...
Get Your Code:Click here to download the free sample codethat you’ll use to check if a string contains a substring. Take the Quiz:Test your knowledge with our interactive “How to Check if a Python String Contains a Substring” quiz. You’ll receive a score upon completion to help you...
\WReturns a match where the string DOES NOT contain any word characters"\W"Try it » \ZReturns a match if the specified characters are at the end of the string"Spain\Z"Try it » Sets A set is a set of characters inside a pair of square brackets[]with a special meaning: ...
stringexample = "kiki" stringexample.find("ki") The output for this will be0. The reason behind the output is – this method returns the lowest index value when the substring is found. If it returns-1that means the string does not contain that substring. ...
fromstring(rsp_data) namespaces = {'file-operation': 'urn:huawei:yang:huawei-file-operation'} mpath = '{}'.format('dir') for file_tmp in root_elem.findall(mpath, namespaces): file_name = file_tmp.find("file-name", namespaces) elem = file_tmp.find("dir-name", namespaces) if ...