string = "hello world" substring = "world" if substring in string: print("包含子串") else: print("不包含子串") ``` 2. 查找字符串中某个子串的位置: ```python string = "hello world" substring = "world" index = string.find(substring) if index != -1: print("子串在字符串中的位置为...
在Python中,in操作符用于判断一个字符串是否包含某个子字符串。其使用方式为:substring in string,其中substring是要判断的子字符串,string是要搜索的字符串。 下面是一个简单的示例代码: string="Hello, World!"substring="World"ifsubstringinstring:print("Substring found!")else:print("Substring not found!")...
string ='Hello World, this is a string' # substring substring ='this' ifsubstringinstring: print('Found the substring!') else: print('Could not find the substring.') 使用index() 方法 Python String类有一个 index() 方法,如果在字符串中找到目标子字符串,它将返回子字符串的索引。当你需要知道...
if string3 < string4: print(f"{string3} 在 {string4} 前面") else: print(f"{string3} 在 {string4} 后面") 3. 查找子字符串 在一个字符串中查找另一个子字符串也是常见的操作。 sentence = "This is a sample sentence for string comparison" substring = "sample" # 使用 in 关键字检查子...
stringexample="Terminator"substring="ter"ifsubstringinstringexample:print("We've found the string!")else:print("Oops, not found!") 1. 2. 3. 4. 5. 6. 运行结果将会是打印如下内容: 复制 We've found the string! 1. 方法2:使用 find 方法 ...
使用in关键字 Python中，可以使用in关键字来判断一个字符串是否包含另一个字符串。以下是一个示例代码：def find_substring_in(s, sub):""" 使用in关键字查找子字符串 """if sub in s:return Trueelse:return False# 定义一个字符串string = 'A New String Hello, World!'sub_string = "Hello"pr...
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 the string.") ``` 输出结果是:"Substring is present in the string."©...
1 Check if string contains substring at index 1 Can we check if two or more sub strings are in string in python 0 unable to check if string is substring of another in python 2 Python check if one of multiple strings contain a substring 1 How to see if a string ONLY contains a...
Find a Substring in String with Boardtools is not working if the string contains special charsAsk Question Asked 2 months ago Modified 2 months ago Viewed 45 times 0 Today I got frustrated. I'm implementing a very simple logic with substring finding; it turned out to ...
是的,Python中的字符串确实有一个in关键字,用于检查一个字符串是否包含在另一个字符串中。例如: 代码语言:python 代码运行次数:0 复制 text="Python is a great programming language"substring="Python"ifsubstringintext:print("The substring is in the text")else:print("The substring is not in the te...