startswith()方法用于检查字符串是否以指定的前缀开头。它返回True或False。 string = "Hello, World!" if string.startswith("Hello"): print("String starts with 'Hello'.") else: print("String does not start with 'Hello'.") endswith()方法 endswith()方法用于检查字符串是否以指定的后缀结尾。 str...
pythontext = "Hello World"pattern = r"hello" # Case-sensitive searchmatch_case_sensitive = re.search(pattern, text)print(match_case_sensitive) # Output: Nonepattern_ignore_case = r"hello"match_ignore_case = re.search(pattern_ignore_case, text, re.IGNORECASE) # Case-insensitive searchp...
startswith()和endswith()方法:分别用于检查字符串是否以指定的前缀或后缀开头或结尾。 正则表达式:使用re模块可以进行更复杂的字符串匹配和搜索操作。 5. 提供一个综合示例,结合多种情况判断字符串包含关系 python import re str1 = "Hello, World!" str2 = "hello" str3 = "Python" pattern = r"world" ...
icontains - contains string value, case insensitive startswith - starts with string value istartswith - starts with string value, case insensitive endswith - ends with string value iendswith - ends with string value, case insensitive regex - matches a regex expression iregex - matches a regex...
casefold (or lower if you prefer): Return a case-normalized version of the string startswith & endswith: Check if string starts/ends with 1 or more other strings splitlines: Split into a list of lines format: Format the string (consider an f-string before this) count: Count how many ti...
Change the code so that the file extension check is case insensitive. Figure 17-16. When the image isn’t much larger than the logo, the results look ugly. Finally, the logo added to the bottom-right corner is meant to be just a small mark, but if the image is about the same size...
Strings in Python are case-sensitive, which means thatMoonandmoonare considered different words. To do a case-insensitive comparison, you can convert a string to all lowercase letters by using the.lower()method: Python print("The Moon And The Earth".lower()) ...
The with statement opens sample.zip for reading. The loop iterates over each file in the archive using namelist(), while the conditional statement checks if the filename ends with the .md extension. If it does, then you extract the file at hand to a target directory, output_dir/, using...
The startswith() and endswith() methods return True if the string value they are called on begins or ends (respectively) with the string passed to the method; otherwise, they return False. Enter the following into the interactive shell: >>> 'Hello world!'.startswith('Hello') True >>>...
fnmatch on Windows:Truefnmatchcase everywhere:FalseallST: ['5412 N CLARK ST','1060 W ADDISON ST','2122 N CLARK ST'] _54CLARK: ['5412 N CLARK ST'] 2.4. Matching and Searching for Text Patterns # str.find():find location; ==:exact match; starts|endswithtext ='yeah, but no, but...