It seems to be related to the number of capture groups you have. For example, this also succeeds for me:
((?:1+)|(?:2+)|(?:3+)|(?:4+)|(?:5+)|(?:6+)|(?:7+)|(?:8+)|(?:9+)|(?:0+)|(?:a+)) Do you really need the 11 capture groups? On Mon, Dec 15, 2014 at 11:20 AM, ecir hana <ecir.h...@gmail.com> wrote: > > > > On Mon, Dec 15, 2014 at 6:09 PM, Stephen J. Butler < > stephen.but...@gmail.com> wrote: >> >> If you read the ICU docs on regular expressions you'll see that it sets >> an 8MB limit on head size when evaluating. My guess is that you've run into >> this and NSRegularExpression misses a return code somewhere. >> > > I would have thought 50 000 characters is not that much. But then again, I > don't really know how ICU works... Reading the ICU docs further, there it > says: > > Because ICU does not use program recursion to maintain its backtracking >> state, stack usage during matching operations is minimal, and does not >> increase with complex patterns or large amounts of backtracking state. > > > >> But your pattern is really suboptimal for what you're trying to >> accomplish. >> > > It's really a reduced test case. > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
