下面是一个完整的代码示例,演示了如何使用Python正则表达式替换多个字符: importredefreplace_multiple_characters(input_string,replacement):pattern=r'[ab]'replacement_string=re.sub(pattern,replacement,input_string)returnreplacement_string input_string="abcde"replacement={'a':'x','b':'y'}result=replace_mul...
### replace15000004functioncallsin4.451secondsOrderedby:standardnamencallstottimepercallcumtimepercallfilename:lineno(function) 1 0.000 0.000 4.451 4.451 <string>:1(<module>) 1 1.721 1.721 4.451 4.451demo.py:7(_replace) 1 0.000 0.000 4.451 4.451{built-in method builtins.exec}10.0000.0000.0000.000...
Thetranslatemethod allows to replace multiple characters specified in the dictionary. translating.py #!/usr/bin/python msg = "There is a fox in the forest. The fox has red fur." print(msg.translate(str.maketrans({'.': '!'}))) We replace the dot characters with the exclamation marks in...
If you want to replace multiple characters, that can be done easily using an iterator. Let’s see how to remove characters ‘a’, ‘b’ and ‘c’ from a string. 如果要替换多个字符,可以使用迭代器轻松完成。 让我们看看如何从字符串中删除字符“ a”,“ b”和“ c”。 代码语言:javascript ...
Method 3: Python remove multiple characters from a string using replace() method Thereplace()method in Python is used to replace a substring of a string with another substring. The basicsyntaxof this method is: string.replace(old, new, count) ...
Because you get this match object in the callback, you can use any of the information contained within it to build the replacement string. Once it’s built, you return the new string, andsub()will replace the match with the returned string. ...
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 withNone...
lstrip(characters) 去掉字符串左边的指定字符,默认为空格 partition(separator) 根据指定的分隔符将字符串分割成三部分,返回一个元组 replace(old, new, count) 替换字符串中的指定字符或子串 rfind(substring, start, end) 返回指定子串在字符串中最后一次出现的位置,如果未找到返回 -1 rindex(substring, start, ...
deemed to delimit empty strings (for example, '1,,2'.split(',') returns ['1', '', '2']). The sep argument may consist of multiple characters (for example, '1<>2<>3'.split('<>') returns ['1', '2', '3']). Splitting an empty string with a specified separator returns ['...
str.replace(old, new[, count])old：旧字符串 new：新字符串 count：要替换的最大次数，默认为-1...