说起来不怕人笑话,我今天才发现,python中的字符串替换操作,也就是string.replace()是可以用正则表达式的。 之前,我的代码写法如下,粗笨: 自从发现了正则表达式也生效后,代码变得优雅简洁: 备注:上图中的base_info是pandas里的dataframe数据结构,可以用上述方法使用string的replace方法。
msg2 = str.replace(msg, 'fox', 'wolf') print(msg2) The example is equivalent to the previous one. In the next example, we have a CSV string. replacing3.py #!/usr/bin/python data = "1,2,3,4,5,6,7,8,9,10" data2 = data.replace(',', '\n') print(data2) The replace ...
replace()方法返回字符串的副本,其中old子字符串替换为new子字符串。原字符串不变。 如果找不到old子字符串,则返回原始字符串的副本。 示例1:使用 replace() song ='cold, cold heart' # replacing'cold' with'hurt' print(song.replace('cold','hurt')) song ='Letitbe,letitbe,letitbe,letitbe' #...
How do you change a character in a string in Python? You can use the replace() or translate() method to replace a character in a string in Python, or other methods depending on string needs.
Python String replace方法用法及代码示例 Python 的str.replace(~)方法返回字符串的新副本,其中所有出现的old子字符串都替换为new子字符串。 参数 1.old|string 要替换为new的子字符串。 2.new|string 用于替换old子字符串的子字符串。 3.count|number|optional...
Python string replace 方法 方法1: >>> a='...fuck...the...world...' >>>b=a.replace('.',' ') >>> print b fucktheworld 方法2: >>> a='...fuck...the...world...' >>>b=string.replace(a,'.',' ') >>> print b fucktheworld...
Python中的string.replace()方法用于替换字符串中的指定字符或子字符串。它接受两个参数:要替换的字符或子字符串和替换后的字符或子字符串。 该方法的语法如下: 代码语言:python 代码运行次数:0 复制Cloud Studio 代码运行 string.replace(old, new) 其中,old是要被替换的字符或子字符串,new是替换后的字符或子...
Python中的string.replace()简单使用 1importsys2man = input("请输入男主名字:")3women = input("请输入女主名字")4dog = input("请输入狗狗名字")56story ="""7在B城的某间屋内, man 把弹夹里的最后一枚子弹卸下填进口袋,瞟一眼坐在一旁的women漫不经心的说道:“你知道的,这种事我从不放在8眼里...
In this tutorial, you'll learn how to remove or replace a string or substring. You'll go from the basic string method .replace() all the way up to a multi-layer regex pattern using the sub() function from Python's re module.
The Python string.replace() method is a powerful tool for modifying strings by replacing a character, or sequence of characters, with a new character or sequence. This function is part of Python's string class, allowing developers to easily transform strings for various applications such as data...