regexp-sticky-undef-capture.js (212B)
1 var re = /abc(WHOO!)?def/y; 2 var input = 'abcdefabcdefabcdef'; 3 var count = 0; 4 while ((match = re.exec(input)) !== null) { 5 print(count++); 6 assertEq(match[0], 'abcdef'); 7 assertEq(match[1], undefined); 8 }