string = "Hello, World!" substring = "Hello" if string.contains(substring): print("字符串包含子字符串") else: print("字符串不包含子字符串") 复制代码 运行结果为: 字符串包含子字符串 复制代码 请注意,contains()方法在Python中并不存在。如果要检查一个字符串是否包含另一个字符串,可以使用in关键...
接着,我们使用if…in…语句来判断substring是否存在于text字符串中。由于"world"是text字符串中的一个子字符串,所以if后面的代码将被执行。运行上述代码,输出结果为: world is in the text. 1. 总结 通过本文的介绍,我们了解了Python中用于判断元素是否存在于序列中的if…in…语句。我们可以使用这个语句来轻松地...
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 ...
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...
在Python中,contains函数是一个字符串方法,它用于检查一个字符串是否包含另一个字符串。它的基本语法如下: string.contains(substring) 1. 其中,string是要检查的字符串,substring是要查找的子字符串。 contains函数将返回一个布尔值,表示是否找到了子字符串。如果找到了,返回True;如果没有找到,返回False。
text = "Python is a great programming language" substring = "Python" if substring in text: print("The substring is in the text") else: print("The substring is not in the text") 在这个例子中,我们使用in关键字检查text字符串中是否包含substring字符串。如果包含,则输出"The substring is in the...
contains‘子字符串方法？EN如果这只是一个子串搜索，你可以使用string.find("substring")。
contains方法返回一个布尔值,如果目标字符串出现在原始字符串中,则返回True,否则返回False。 下面是使用contains方法的示例代码: ```python string = "Hello, world!" substring = "world" if substring in string: print("Substring is present in the string.") else: print("Substring is not present in ...
stringexample="Kiki"substring="ki"ifstringexample.find("ki")!=-1:print("We've found the string!")else:print("Oops, not found!") 1. 2. 3. 4. 5. 6. 其运行结果仍为: 复制 We've found the string! 1. 方法3:使用 Contains 方法 ...