代码示例如下: defreplace_multiple_strings(text,replacements):forold,newinreplacements.items():text=text.replace(old,new)returntext text="Python is great. I love Python."replacements={"Python":"Java","great":"awesome","love":"like"}new_text=replace_multiple_strings(text,replacements)print(new_...
It is possible to chain thereplacemethods to do multiple replacements. chaining.py #!/usr/bin/python msg = "There is a fox in the forest. The fox has red fur." msg2 = msg.replace('fox', 'wolf').replace('red', 'brown').replace('fur', 'legs') print(msg2) In the example, we...
False>>>intf.endswith('10/0/3')True>>>intf.endswith('10/0/1')False>>> 2.5 替换replace() 在字符串中先查找某一特定符号,然后将其替换成另一特定符号。 >>>intf='GigabitEthernet10/0/3'# 原字符串>>>intf.replace('10/0/3','3/0/10')# 这里是个坑,一定要记住,它没有修改原来的字符串...
count("the") # 输出: 2 4.3 替换字符串:replace() replace()方法用于替换原字符串中的子字符串: new_text = text.replace("fox", "cat") print(new_text) # 输出: The quick brown cat jumps over the lazy dog. 4.4 正则表达式:强大的搜索与替换工具 Python的re模块提供了更强大的搜索和替换功能,...
We can use regex to replace multiple patterns at one time using regex. This can be easily done using the following syntax. Syntax: re.sub(pattern_1 | pattern_2, replacement, string, count=0, flags=0) Input: importrestr="Joe-Kim Ema Max Aby Liza"print(re.sub("(\s)|(-)",", "...
>>> str.replace('n','N') 'striNg lEARN' >>> str.replace('n','N',1) 'striNg lEARn' >>> str.strip('n') #删除字符串首尾匹配的字符,通常用于默认删除回车符 'string lEAR' >>> str.lstrip('n') #左匹配 'string lEARn' >>> str.rstrip('n') #右匹配 'string lEAR' >>...
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.
def concat_col_str_condition(df):# concat 2 columns with strings if the last 3 letters of the first column are 'pil' mask = df['col_1'].str.endswith('pil', na=False) col_new = df[mask]['col_1'] + df[mask]['col_2'] col_new.replace('pil', ' ', regex=True,...
Replace multiple regex patterns with different replacement RE’s subn() method How to usere.sub()method To understand how to use there.sub()for regex replacement, we first need to understand its syntax. Syntax of re.sub() re.sub(pattern, replacement, string[, count, flags]) ...
I want to replace whatever is between those two lines, but I do not want to replace those strings. How do I do this? 翻译:我想替换两字符串之间的内容,但不替换字符。如何实现? 解答: 解答源码: >>> s = ''' // DO NOT REPLACE ME // ...