1. str.capitalize() View Code 2. center(width[, fillchar]) View Code 3. count(sub, start= 0,end=len(string) View Code 4. decode(encoding='UTF-8',errors='strict') encode(encoding='base64',errors='strict') View Code 5. endswith(suffix[, start[, end]]) View Code 6. expandtabs...
String Methods Python has a set of built-in methods that you can use on strings. Note:All string methods return new values. They do not change the original string. MethodDescription capitalize()Converts the first character to upper case
4.7.1. String Methods str.capitalize() --> String 返回字符串,其首字母大写,其余部分小写 str.casefold() --> String字符串转换成小写,用于不区分大小写的字符串比较 str.casefold() --> String字符串转换成小写,用于不区分大小写的字符串比较 str.center(width[, fillchar]) -->String 指定长度(此处是...
str.index(sub[, start[, end]]) --> int检测字符串string中是否包含子字符串,如果存在,则返回sub在string中的索引值(下标),如果指定began(开始)和end(结束)范围,则检查是否包含在指定范围内,该方法与python find()方法一样,只不过如果str不在string中会报一个异常(ValueError: substring not found)。 >>>...
文档里的所有String的方法都在下面,基于 Python 3.X 版本,截止日期是2017/10/12日,之后的可能会有更新。花了一天的时间学习并记录了一下 4.7.1. String Methods str.capitalize() --> String 返回字符串,其首字母大写,其余部分小写 1>>>str ="TEST"2>>>str1="test"3>>>print(str +"-->"+ str.ca...
来源1: 5 Methods for Filtering Strings with Python Pandas[1] 来源2: 5 String-Based Filtering Methods Every Pandas User Should Know[2] 数据demo中大概存在 4 列数据,item_id 为数据主键。 1 筛选某一列含有指定字段 筛选某一列含有指定字段 used car ...
The .upper() and .lower() string methods are self-explanatory. Performing the .upper() method on a string converts all of the characters to uppercase, whereas the lower() method converts all of the characters to lowercase.>>> s =“Whereof one cannot speak, thereof one must be silent....
s = 'string methods in python'.split()print(s)# ['string', 'methods', 'in', 'python']10、rsplit()从右侧开始对字符串进行分隔。s = 'string methods in python'.rsplit(' ', maxsplit=1)print(s)# ['string methods in', 'python']11、join()string.join(seq)。以string作为分隔符，将...
String methods are part of the str type. This means that the methods exist as string variables, or part of the string directly. For example, the method .title() returns the string in initial caps and can be used with a string directly:Python Kopéieren ...
... # Manipulate thestring data with string methods ... hello_lower = hello.lower()... hello_upper = hello.upper()... print('lowercased:', hello_lower)... print('uppercased:', hello_upper)...HelloPython!lowercased: hello python!uppercased: HELLOPYTHON!字符串数据处理 2.DRY（不要...