# 定义用replace方法去掉字符串中所有空格的函数def remove_spaces_rep(string): return string.replace(" ", "")text = "Hello,world! This is a test." result = remove_spaces_rep(text) print(result)在上面的代码中，我们定义了一个名为remove_s
expandtabs([tabsize]) -> string Return a copy of S where all tab characters are expanded using spaces. If tabsize is not given, a tab size of 8 characters is assumed. """ return "" def find(self, sub, start=None, end=None): """ 寻找子序列位置,如果没找到,返回 -1 """ """ ...
my_string="Hello World"no_spaces=re.sub(r"\s+","",my_string)# no_spaces is now "HelloWorld" Copy How to remove spaces in string? To remove all spaces, usemy_string.replace(" ", ""). To remove only leading and trailing spaces, usemy_string.strip(). What doesstrip()do in Python?
new_string=old_string.replace(old_substring,new_substring) 1. 其中,old_string是原始字符串,old_substring是需要替换的子串,new_substring是替换后的子串。replace方法会返回一个新的字符串new_string,原始字符串old_string不会改变。如果原始字符串中存在多个old_substring,replace方法只会替换第一个匹配的子串。
'replace', 'rfind', 'rindex', 'rjust', 'rpartition', 'rsplit', 'rstrip', 'split', 'splitlines', 'startswith', 'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill'] Help on class str in module __builtin__: class str(basestring) | str(object='') -> string | | ...
258 If there are two arguments, they must be strings of equal length, and 259 in the resulting dictionary, each character in x will be mapped to the 260 character at the same position in y. If there is a third argument, it 261 must be a string, whose characters will be mapped to ...
python的string模块 1.字符串属性方法操作: 1.>字符串格式输出对齐 1 2 3 4 5 6 7 8 9 10 11 >>>str="Python stRING" >>>printstr.center(20)#生成20个字符长度,str排中间 Python stRING >>>printstr.ljust(20)#生成20个字符长度,str左对齐 ...
不能用replace方法,replace方法只能用在dataframe上 series.replace(to_replace='None', value=np.nan, inplace=True, regex=False) # 下面两种都是对的,要注意不能串 df_X = df_X.replace([np.inf, -np.inf], np.nan).copy() df_X.replace([np.inf, -np.inf], np.nan, inplace=True) ...
theString replace()method theString translate()method To learn some different ways to remove spaces from a string in Python, refer toRemove Spaces from a String in Python. A Python String object is immutable, so you can’t change its value. Any method that manipulates a string value returns...
Replace the two first occurrence of the word "one": txt ="one one was a race horse, two two was one too." x =txt.replace("one","three",2) print(x) Try it Yourself » ❮ String Methods Track your progress - it's free!