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...
When working with text data in Python, a team member was checking whether a string contains a particular substring. I suggested a few methods that Python provides to do this. Let me show you different methods tocheck if a Python string contains a substringusing some real-time examples. To c...
print(‘String does not contain substring’) The first argument is the string you are searching, and the second is the substring you are looking for. It also returns a Boolean. But these methods aren’t the only ones you can use to determine the existence of a substring in a string in ...
then, in that case, the substring generated is from the beginning to the end of the string. In other words, we can say that it would be a replica of the string.
string="Hello, world!"substrings=["Hello","world"]forsubstringinsubstrings:ifre.search(substring,string):print(f"The string '{string}' contains the substring '{substring}'")else:print(f"The string '{string}' does not contain the substring '{substring}'") ...
在解决问题之前,首先我们需要明确问题的要求和约束。我们需要判断一个字符串是否包含另一个特定的子串。假设我们要判断的字符串是string,子串是substring。 2. 使用in操作符 Python提供了一个非常简单的方法来判断一个字符串是否包含另一个子串,那就是使用in操作符。in操作符返回一个布尔值,表示指定的子串是否存在于...
如前所述,Python中检查字符串包含关系应使用in关键字,而不是contain方法。这是一个常见的误区,需要特别注意。 3. 给出使用in关键字检查字符串包含关系的示例代码 以下是一个使用in关键字检查字符串包含关系的示例代码: python main_string = "Hello, world!" sub_string = "world" if sub_string in main_str...
An empty string doesn’t contain any characters, so when you use the built-in len() function with an empty string as an argument, you get 0 as a result.To create multiline strings, you can use triple-quoted strings. In this case, you can use either single or double quotes:Python ...
result = quote.rfind('let it')print("Substring 'let it':", result)result = quote.rfind('small')print("Substring 'small ':", result)result = quote.rfind('be,')if (result != -1):print("Highest index where 'be,' occurs:", result)else:print("Doesn't contain substring")输出：Sub...
s = 'Does this string contain a substring?'print('\'string\' location -> {}'.format(s.find('string')))print('\'spring\' location -> {}'.format(s.find('spring'))) 'string' location -> 10'spring' location -> -1 默认情况...