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 ...
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...
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...
string="Hello, World!"substring="Hello"ifsubstringinstring:print("字符串包含指定的子串")else:print("字符串不包含指定的子串") 1. 2. 3. 4. 5. 6. 7. 上述示例中,我们首先定义了一个字符串string和一个子串substring。然后,我们使用in操作符判断子串是否存在于字符串中,并根据判断结果输出相应的信息。
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}'") ...
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...
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...
text="Learning Python is fun!"substring="Python"iftext.find(substring)!=-1:print(f'"{text}" contains "{substring}"')else:print(f'"{text}" does not contain "{substring}"') Copy 3. How to perform a case-insensitive string check?
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...
print("Substring 'let it':", result)# find returns -1 if substring not found result = quote.find('small') print("Substring 'small ':", result)# How to use find() if(quote.find('be,') !=-1): print("Contains substring 'be,'")else:print("Doesn't contain substring") ...