| Test for behavior of non-capturing groups, as described in a blog post by Steven Levithan and bug 14931. |
| |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
| |
| |
| PASS /(x)?\1y/.test("y") is true |
| PASS /(x)?\1y/.exec("y") is ["y", undefined] |
| PASS /(x)?y/.exec("y") is ["y", undefined] |
| PASS "y".match(/(x)?\1y/) is ["y", undefined] |
| PASS "y".match(/(x)?y/) is ["y", undefined] |
| PASS "y".match(/(x)?\1y/g) is ["y"] |
| PASS "y".split(/(x)?\1y/) is ["", undefined, ""] |
| PASS "y".split(/(x)?y/) is ["", undefined, ""] |
| PASS "y".search(/(x)?\1y/) is 0 |
| PASS "y".replace(/(x)?\1y/, "z") is "z" |
| PASS "y".replace(/(x)?y/, "$1") is "" |
| PASS "y".replace(/(x)?\1y/, function($0, $1){ return String($1); }) is "undefined" |
| PASS "y".replace(/(x)?y/, function($0, $1){ return String($1); }) is "undefined" |
| PASS "y".replace(/(x)?y/, function($0, $1){ return $1; }) is "undefined" |
| PASS successfullyParsed is true |
| |
| TEST COMPLETE |
| |
