input_string="" print("The input string is:",input_string) str_len=len(input_string) if str_len==0: print("Input string is an empty string.") else: print("Input string is a whitespace character.") Output:The input string is: Input string is an empty string. ...
# Index 0 print(main_string[0]) # Index 1 print(main_string[1]) # Check if Index 1 is whitespace print(main_string[1].isspace()) # Slicing 1 print(main_string[0:11]) # Slicing 2: print(main_string[-18:]) # Slicing and concatenation print(main_string[0:11] + ". " + main...
Strip trailing whitespace册除尾随空白 Remove trailing space and other whitespace characters after the last non-whitespace(character of a line by applying str.rstrip to each line,including lines within multiline strings. Except for Shell windows, remove extra newlines at the end of the file. 通过对...
| Return True if all characters in S are whitespace | and there is at least one character in S, False otherwise. | | istitle(...) | S.istitle() -> bool | | Return True if S is a titlecased string and there is at least one | character in S, i.e. upper- and titlecase char...
delimiter string. If maxsplit is given, at most maxsplit splits are done. If sep is not specified or is None, any whitespace string is a separator and empty strings are removed from the result. s='2018-11-02' s.split('-')
string.whitespace 包含所有ASCII中可当作空白的字符集合而成的字符串。这包括字符间的空格、 tab、 换行符(\n)、 return(\r)、 换页符(\f)和垂直制表符(\v -> vertical tab)。 2. 自定义字符串格式 内置string类提供了通过format()方法 执行复杂变量替换和值格式化的功能,参见PEP 3101。string模块中的Format...
下面显示了基本的Whitespacesplit预标记器和稍微复杂一点的BertPreTokenizer之间的比较。pre_tokenizers包。空白预标记器的输出保留标点完整,并且仍然连接到邻近的单词。例如,includes:被视为单个单词。而BERT预标记器将标点符号视为单个单词[8]。 from tokenizers.pre_tokenizers import WhitespaceSplit, BertPreTokenizer#...
re.VERBOSEre.XAllows whitespaces and comments inside patterns. Makes the pattern more readableTry it » Special Sequences A special sequence is a\followed by one of the characters in the list below, and has a special meaning: CharacterDescriptionExampleTry it ...
\d+[uUlLbB]*' PATTERN_MISMATCH = r'.' rules = [ (None, PATTERN_WHITESPACE), (None, PATTERN_COMMENT1), (None, PATTERN_COMMENT2), ('STRING', PATTERN_STRING1), ('STRING', PATTERN_STRING2), ('INTEGER', PATTERN_CINTEGER), ('NUMBER', PATTERN_NUMBER), (check_name, PATTERN_NAME),...
Remove trailing space and other whitespace characters after the last non-whitespace(character of a line by applying str.rstrip to each line,including lines within multiline strings. Except for Shell windows, remove extra newlines at the end of the file. 通过对每一行(包括多行字符串中的行)应用st...