This test checks for a regression against JavaScript regular expressions with certain ranges of Unicode characters cause a crash. If it fails, it may crash. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS new RegExp("[À-Ὅ]").toString() is /[À-Ὅ]/.toString() PASS new RegExp("[ぁ-ゔ]").toString() is /[ぁ-ゔ]/.toString() PASS new RegExp("[䴀-䶵]").toString() is /[䴀-䶵]/.toString() PASS new RegExp("[一-龥]").toString() is /[一-龥]/.toString() PASS new RegExp("[-Ὅ]").toString() is /[-Ὅ]/.toString() PASS successfullyParsed is true TEST COMPLETE