string = "This contains a word" if "word" in string: print("Found") else: print("...
# 检查字符串是否包含某个词if"Python"inmy_string:print("The string contains the word 'Python'.")else:print("The string does not contain the word 'Python'.") 1. 2. 3. 4. 5. 在这段代码中,我们使用in关键字来检查字符串my_string是否包含关键词"Python"。如果包含,则输出字符串包含该关键词...
string = "Hello, world!" if string.find("world") != -1: (tab)print("String contains 'world'")结合start和end参数使用find函数进行字符串片段的提取。示例：提取字符串中的某个子字符串。string = "Hello, world! world is beautiful." start = 7 end = 12 extract = string[start:end] print...
class String String : +contains_word(word: str) -> bool 在上面的类图中,我们定义了一个String类,其中包含了一个contains_word()方法,用来判断字符串是否包含某个词。 饼状图
searchfindWholeWord('seek')('those who seek shall find') # -> <match object>...
一、str.contains方法 1.介绍 contains方法用于判断指定系列是否包含指定字符串。类似于 SQL 中的 like 函数,实现模糊匹配。 str将Series转换为类似于String的结构。 返回布尔值系列或索引,具体取决于给定模式或正则表达式是否包含在系列或索引的字符串中。
>>> str='string learn' >>> dir(str) ['__add__', '__class__', '__contains__', '__delattr__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__getslice__', '__gt__', '__hash__', '__init__...
The string is never truncated. """ pass def __add__(self, *args, **kwargs): # real signature unknown """ Return self+value. """ pass def __contains__(self, *args, **kwargs): # real signature unknown """ Return key in self. """ ...
\sReturns a match where the string contains a white space character"\s"Try it » \SReturns a match where the string DOES NOT contain a white space character"\S"Try it » \wReturns a match where the string contains any word characters (characters from a to Z, digits from 0-9, an...
The first row contains the string that we want to slice, "Python". The second row shows the position of the indices 0 to 6 in the string. The third row shows the corresponding negative indices. Notice there is no 0 in this row. The fourth row shows the starting locations for our ...