This test verifies that implicit creation of a regular expression eagerly checks for syntax errors.

If the test passes, you'll see pass messages below.

PASS: "abc".search("[") should throw an exception and did: SyntaxError: Invalid regular expression: /[/: Unterminated character class.
PASS: "abc".match("[") should throw an exception and did: SyntaxError: Invalid regular expression: /[/: Unterminated character class.