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...
Write a Python program to remove multiple spaces from a string. Click me to see the solution 40. Remove All Whitespace Write a Python program to remove all whitespaces from a string. Click me to see the solution 41. Remove Non-Alphanumerics Write a Python program to remove everything exc...
If sep is not specified or is None, any whitespace string is a separator. """ return [] def rstrip(self, chars=None): """ S.rstrip([chars]) -> string or unicode Return a copy of the string S with trailing whitespace removed. If chars is given and not None, remove characters in...
Return a copy of the string S with leading and trailing whitespace removed. If chars is given and not None, remove characters in chars instead. >>>str1=" hello world ">>>str2="hello world ">>>str1.strip()'hello world'>>>str2.strip()'hello world' ...
Return a copy of the string S with leading whitespace removed. If chars is given and not None, remove characters in chars instead."""return""#把右边的chars截断defrstrip(self, chars=None):#real signature unknown; restored from __doc__"""S.rstrip([chars]) -> str ...
Python Regular Expression: Exercise-41 with Solution Write a Python program to remove everything except alphanumeric characters from a string. Sample Solution: Python Code: importre text1='**//Python Exercises// - 12. 'pattern=re.compile('[\W_]+')print(pattern.sub('',text1)) ...
a nice string representation of the object. | If the argument is a string, the return value is the same object. | | Method resolution order: | str | basestring | object | | Methods defined here: | | __add__(...) | x.__add__(y) <==> x+y | | __contains__(...) | x...
Example 3: Removing non-ASCII characters from a string usingre.sub()andtranslate() 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'[...
the string S with trailing whitespace removed.| If chars is given and not None, remove charac...