Using a compiled python regex pattern in a case unsensitive comparison -


i have:

reyada = re.compile(u'^yada$', re.u)

at point need perform case insensitive comparison using compiled pattern. did as:

re.match(reyada.pattern, 'yada', re.ignorecase)

is there way same without .pattern (ie using compiled pattern) ?

looking through api of regular expression object (python 2.7, python 3.4), class of compiled regex object returned re.compile, none of methods allows specify flag. flags attribute read-only.

therefore, it's not possible change flags of compiled regex object. method have in question, extract pattern , recompile new flag, way go it.

allowing change behavior of compiled regex changing flags requires compiled object include code path different (combination of) flags, more or less (depending on effect of flag) bloat compiled regex unused code paths of use cases.


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