importredefremove_non_alphanumeric_chars(string):# 定义正则表达式,匹配非中英文字符pattern='[^a-zA-Z\u4e00-\u9fa5]'# 使用空字符串替换非中英文字符result=re.sub(pattern,'',string)returnresult# 示例输入string='Hello, 你好!123#$%'# 移除非中英文字符result=remove_non_alphanumeric_chars(string)#...
importredefremove_non_alphabetic(string):returnre.sub("[^a-zA-Z]+","",string)defkeep_spaces(string):returnstring.replace(" "," ")defmain():# 输入字符串string=input("请输入字符串:")# 去除非字母元素alphanumeric_string=remove_non_alphabetic(string)# 保留空格final_string=keep_spaces(alphanu...
Python是一门动态类型语言,和C、JAVA等语言不同,你无需手动指明变量的数据类型,根据赋值的不同你可以随意更改一个变量的数据类型,举例来说刚才我们把“整数”这个数据类型赋值给了a这个变量,现在我们再次赋值一个内容为test的"字符串"(String)数据类型给变量a,然后用type()函数来确认,这时你会发现a的数据类型已经...
Return a copy of the string s with leading whitespace removed. If chars is given and not None, remove characters in chars instead. """ return s.lstrip(chars) # Strip trailing tabs and spaces def rstrip(s, chars=None): """rstrip(s [,chars]) -> string Return a copy of the string ...
1.请将带下划线风格的字符串转换成驼峰风格的输出(例子:python_test_string ===>PythonTestString) data ='python_test_string'result=''foriin(data.split("_")): result+=i.capitalize()print(result) 输出:PythonTestString 2.URL解析(例如:http://localhost:8080/python/data?para1=123 2=abc) ...
在Python 中,print(f"string={}") 是一种用于格式化字符串的语法结构。其中,“string”表示字符串;“f”前缀表示这是一个格式化字符串;“{}”是占位符,用于指示将要插入该位置的变量。注意:“f”后面一定要紧跟字符串,不能隔有空格,否则会报错。 a = 1 b = 2 c = 3 print(f"b={b}, c={c}, a...
whitespace string is a separator and empty strings are removed from the result. """ return [] 用法:返回字符串中所有单词的列表,使用 sep 作为分隔符(默认值是空字符(空格))用什么切就去掉什么。 可以使用 maxsplit 指定最大切分数。 例子: s = 'STriSSB' ...
will treat them as non-numeric. quotechar : str, default '\"' String of length 1. Character used to quote fields. line_terminator : str, optional The newline character or character sequence to use in the output file. Defaults to `os.linesep`, which depends on the OS in which this met...
Return a copy of the string S with trailing whitespace removed. If chars is given and not None, remove characters in chars instead. 示例: >>> s = '\r\n hello world\r\n ' >>> s.rstrip() '\r\n hello world' split/rsplit/splitline 将字符串分隔为列表 ...
importre# Define a string with non-ASCII charactersnon_ascii_string='This is a string with non-ASCII characters: é, ü, and ñ'# Using re.sub() to remove non-ASCII charactersclean_string=re.sub(r'[^\x00-\x7F]+','',non_ascii_string)print(f"String after removing non-ASCII charac...