档案中载有下列内容:
(?i:sys.user_catalog)
在阅读这段话时,我想,价值是原始扼杀(替罪羊),意思是,记忆中,应当有一条线。
r (?i:sys.user_catalog)
而不是
(?i:sys.user_catalog)
那些在被传至诸如bject子等深层时就逃。
例如,如果我说是这样的话,就有了bject子。
Table(column=r (?i:sys.user_catalog) )
如果我表示,我会取得预期结果。
Table(column= (?i:sys.user_catalog) )
我没有。
因此,在我不采用声明/声明方式(例如<条码>a=r string)时,我基本上可以通过一项粗略的阐述,而扼杀已经记忆中。
原始扼杀物只用于“灰色源法”;所有被宣布为“原始胎体”的扼杀物都“被转用”到“复合时段”中添加了必要的脱节顺序(如(第2条)两种不同的窒息/编码):
>>> r""
\b
>>> "Hello"
Hello
>>> u"Hello"
u Hello
如果你从档案中读过脚,就会被正确地逃脱。
(假设test.txt 包含(?i:sys_catalog)):
f = open("test.txt").read()
print f
print repr(f)
产出:
(?i:sys.user_catalog)
(?i:\bsys\.user_catalog\b)
你们可以在你正在使用窒息的任何地方使用 raw。 在你身处逃生地时,游泳只是一种方便用户的方法。
第二个案件由于<代码>而没有工作。 因此,你需要使用另一个<代码>。 第二种情况是,请<代码>(?i:/bsys/user_catalog/b)。 记忆中,由于ASCII或Unicode被储存,如果是原始地貌,它就没有任何变化。
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