Closed Bug 1544999 Opened 6 years ago Closed 6 years ago

Regex lookbehind syntax fails to parse

Categories

(Firefox :: Untriaged, defect)

68 Branch
defect
Not set
normal

Tracking

()

RESOLVED DUPLICATE of bug 1225665

People

(Reporter: saschanaz, Unassigned)

Details

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0

Steps to reproduce:

/(?<!a)b/.test('ab')

Actual results:

Should return false.

Expected results:

SyntaxError: invalid regexp group

The regex parses on Chrome but not on Firefox.

Summary: Regex lookahead syntax fails to parse → Regex lookbehind syntax fails to parse
Status: UNCONFIRMED → RESOLVED
Closed: 6 years ago
Resolution: --- → DUPLICATE
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