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...
Remove Multiple Characters From a String using thetranslate()method You can replace multiple characters in a string using thetranslate()method. The following example uses a custom dictionary,{ord(i): None for i in 'abc'}, that replaces all occurrences ofa,b, andcin the given string withNo...
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...
In Python, toremove the Unicode characters from the string Python, we need to encode the string by using thestr.encode()method for removing the Unicode characters from the string. Theencode() methodis used to encode a string into a sequence of bytes, typically representing the Unicode encoding...
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. | | partition(...) | S.partition(sep) -> (head, sep, tail) | | Search for the separator sep in S, and return the part before it, ...
""" Return a copy of the string converted to lowercase. 返回转换为小写的字符串副本。""" pass def lstrip(self, *args, **kwargs): # real signature unknown """ Return a copy of the string with leading whitespace removed. If chars is given and not None, remove characters in chars instea...
def isalnum(self): # real signature unknown; restored from __doc__ """ S.isalnum() -> bool Return True if all characters in S are alphanumeric and there is at least one character in S, False otherwise. """ return False # 字符串都是字符,数字 或是字符数字组合则为True否则为False #...
| S.lstrip([chars]) -> string or unicode | '''和strip类似,不过只去除左边的空格,可以指定字符''' | Return a copy of the string S with leading whitespace removed. | If chars is given and not None, remove characters in chars instead. ...