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
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...
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)) Sample Outp...
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...
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...
importclean_string=re.sub(r'[^\x00-\x7F]+','',non_ascii_string)print(f"String after removing non-ASCII characters using re.sub():{clean_string}")# Using translate() to remove non-ASCII charactersclean_string=non_ascii_string.translate({ord(i):Noneforiinnon_ascii_stringiford(i)>127}...
the string S with trailing whitespace removed.| If chars is given and not None, remove charac...
bytes patterns or string patterns with the ASCII flag. In string patterns without the ASCII flag, it will match the whole range of Unicode whitespace characters. \S Matches any non-whitespace character; equivalent to [^\s]. \w Matches any alphanumeric character; equivalent to [a-zA-Z0-9_...
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 ...