1. string_escape 在str中, \x 是保留字符,表示后面的两位字符表示一个字符单元(暂且这么叫,不知道对不对),例如 '\xe6' ,一般三个字符单元表示一个中文字符 所以在定义变量时, a='\xe6\x88\x91' ,是代表定义了一个中文字符“我”,但是有时候,我们不希望a这个变量代表中文字符,而是代表3*4=12个英文字...
lowercase -- a string containing all characters considered lowercase letters uppercase -- a string containing all characters considered uppercase letters letters -- a string containing all characters considered letters digits -- a string containing all characters considered decimal digits hexdigits -- a...
54 55 """ 56 return (sep or ' ').join(x.capitalize() for x in s.split(sep)) 57 58 59 # Construct a translation string 60 _idmapL = None 61 def maketrans(fromstr, tostr): 62 """maketrans(frm, to) -> string 63 64 Return a translation table (a string of 256 bytes long) ...
/L30"Python" Line Comment = # Block Comment One = """ Block Comment Off = """ Escape Char = / File Extensions = PY PYW /Indent Strings = ":" /Function String 1 = "%[ ,^t]++def[ ]+^([a-zA-Z0-9_]+*^):" /Function String 2 = "%[ ,^t]++^(##[ a-zA-Z0-9_]+*^...
more spaces, depending on the current column and the given tab size. The column number is reset to zero after each newline occurring in the string. If tabsize is not given, a tab size of 8 characters is assumed. This doesn’t understand other non-printing characters or escape sequences....
re mat1.string mat1.expand mat1.lastgroup mat1.regs mat1.group mat1.lastindex mat1.span In [62]: help(mat1.group) Help on built-in function group: group(...) group([group1, ...]) -> str or tuple. Return subgroup(s) of the match by indices or names. For 0 returns the ...
A u starts a Unicode string, which is the same as a plain string. And a b starts a value of type bytes. Escape string: Triple quotes aren’t very useful for short strings like these. Their most common use is to create multiline strings (poems). a raw string negates these escapes...
Python中文档字符串被称为doc string,它在Python中的作用是为函数、模块和类注释生成文档。 14. 负索引是什么? Python中的序列索引可以是正也可以是负。如果是正索引,0是序列中的第一个索引,1是第二个索引。如果是负索引,(-1)是最后一个索...
常用string 函数 下面所有范例,使用 s = ‘python String function’ 1.字符串长度获取: len(str) 例: print ‘%s length=%d’ % (s,len(s)) # 打印: python String function length=22 2.字母处理 全部大写: str.upper() 全部小写: str.lower() 大小写互换: str.swapcase() 首字母大写,其余小写: ...
11.14 _mysql_connector.MySQL.escape_string() Method Syntax: str=ccnx.escape_string(str_to_escape) Uses themysql_escape_string()C API function to create an SQL string that you can use in an SQL statement. Raises aTypeErrorexception if the value does not have aUnicode,bytes, or (for Pyth...