16459 2007-12-15 19:55:44 -0800 REGRESSION: assertion failure with regexp with \B in a case-ignoring character range 2007-12-16 17:32:21 -0800 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) Mac OS X 10.5 RESOLVED FIXED InRadar P1 Blocker --- 1 darin darin ap eric oldest_to_newest 64342 0 darin 2007-12-15 19:55:44 -0800 We get an assertion compiling this regular expression: /|[x\B-\u00b5]/i; <rdar://problem/5646361> 64347 1 darin 2007-12-15 20:28:39 -0800 The issue is specific to the use of the "\B" escape sequence inside a character class. It's supposed to be an error to do that. 64348 2 17924 darin 2007-12-15 20:39:49 -0800 Created attachment 17924 patch 64405 3 ap 2007-12-16 12:46:15 -0800 I haven't looked at the spec yet, but in Firefox, javascript:alert(/|[x\B-\u00b5]/) doesn't raise an error. Perhaps the test and/or ChangeLog should mention that this is an intentional difference in behavior. 64407 4 darin 2007-12-16 13:08:19 -0800 (In reply to comment #3) > I haven't looked at the spec yet, but in Firefox, > javascript:alert(/|[x\B-\u00b5]/) doesn't raise an error. Perhaps the test > and/or ChangeLog should mention that this is an intentional difference in > behavior. We could also have \B mean just "B" in character classes if that matches the other browsers. That's a simple change. 64424 5 17924 mjs 2007-12-16 15:11:27 -0800 Comment on attachment 17924 patch Marking r- per Alexey's comment - it would be better to match other browsers for this case. (If that's hard to do right away, we can file a follow-up bug.) 64429 6 17942 darin 2007-12-16 15:52:25 -0800 Created attachment 17942 patch, this time matching behavior of Gecko rather than the ECMAScript spec 64430 7 darin 2007-12-16 15:56:18 -0800 (In reply to comment #5) > it would be better to match other browsers > for this case. (If that's hard to do right away, we can file a follow-up bug.) It was easy to do. I haven't tested IE yet, though. 64433 8 17942 mjs 2007-12-16 16:37:48 -0800 Comment on attachment 17942 patch, this time matching behavior of Gecko rather than the ECMAScript spec r=me 64448 9 darin 2007-12-16 17:32:21 -0800 Committed revision 28785. 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