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Bug 19150 - If ^(?:)$ is implied, what should )|( as regexp do?
Summary: If ^(?:)$ is implied, what should )|( as regexp do?
Status: RESOLVED INVALID
Alias: None
Product: WHATWG
Classification: Unclassified
Component: HTML (show other bugs)
Version: unspecified
Hardware: Other other
: P3 normal
Target Milestone: Unsorted
Assignee: Ian 'Hixie' Hickson
QA Contact: contributor
URL: http://www.whatwg.org/specs/web-apps/...
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-09-30 19:12 UTC by contributor
Modified: 2012-10-12 18:14 UTC (History)
2 users (show)

See Also:

Attachments

Description contributor 2012-09-30 19:12:30 UTC 
Specification: http://www.whatwg.org/specs/web-apps/current-work/
Multipage: http://www.whatwg.org/C#the-pattern-attribute
Complete: http://www.whatwg.org/c#the-pattern-attribute

Comment:
If ^(?:)$ is implied, what should )|( as regexp do?

Posted from: 178.36.189.56
User agent: Opera/9.80 (X11; Linux x86_64; U; pl) Presto/2.10.289 Version/12.02
Comment 1 Ian 'Hixie' Hickson 2012-10-12 18:14:07 UTC 
It's not implied. The green text is non-normative. The paragraph before it, which gives the actual requirement, doesn't do it by changing the regexp.