Bug 49271

Summary:	PatternCharacter/CharacterClass ranges should be SyntaxErrors
Product:	WebKit	Reporter:	Chris Leary <christopher.leary>
Component:	JavaScriptCore	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED INVALID
Severity:	Normal	CC:	barraclough
Priority:	P2
Version:	528+ (Nightly build)
Hardware:	All
OS:	All
URL:	https://bugzilla.mozilla.org/show_bug.cgi?id=576837

Description Chris Leary 2010-11-09 12:38:37 PST

See https://bugzilla.mozilla.org/show_bug.cgi?id=576837#c2

Steps: /[C-\s]/
Expected: SyntaxError

Note that character-class/character-class range syntax like /[\s-\w]/ is accepted by the SpiderMonkey engine as an extension.

Comment 1 Gavin Barraclough 2012-03-12 01:07:22 PDT

This is required for web compatibility, and permitted by the spec under section 2.

cheers, G.