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var BUGNUMBER = 1135377;
var summary = "Implement RegExp unicode flag -- raw unicode.";
print(BUGNUMBER + ": " + summary);
// ==== standalone ====
assertEqArray(eval(`/[\uD83D\uDC38]/u`).exec("\u{1F438}"),
["\u{1F438}"]);
// no unicode flag
assertEqArray(eval(`/[\uD83D\uDC38]/`).exec("\u{1F438}"),
["\uD83D"]);
// escaped (lead)
assertEq(eval(`/[\\uD83D\uDC38]/u`).exec("\u{1F438}"),
null);
assertEq(eval(`/[\\u{D83D}\uDC38]/u`).exec("\u{1F438}"),
null);
// escaped (trail)
assertEq(eval(`/[\uD83D\\uDC38]/u`).exec("\u{1F438}"),
null);
assertEq(eval(`/[\uD83D\\u{DC38}]/u`).exec("\u{1F438}"),
null);
// escaped (lead), no unicode flag
assertEqArray(eval(`/[\\uD83D\uDC38]/`).exec("\u{1F438}"),
["\uD83D"]);
// escaped (trail), no unicode flag
assertEqArray(eval(`/[\uD83D\\uDC38]/`).exec("\u{1F438}"),
["\uD83D"]);
// ==== RegExp constructor ====
assertEqArray(new RegExp("[\uD83D\uDC38]", "u").exec("\u{1F438}"),
["\u{1F438}"]);
// no unicode flag
assertEqArray(new RegExp("[\uD83D\uDC38]", "").exec("\u{1F438}"),
["\uD83D"]);
// escaped(lead)
assertEq(new RegExp("[\\uD83D\uDC38]", "u").exec("\u{1F438}"),
null);
assertEq(new RegExp("[\\u{D83D}\uDC38]", "u").exec("\u{1F438}"),
null);
// escaped(trail)
assertEq(new RegExp("[\uD83D\\uDC38]", "u").exec("\u{1F438}"),
null);
assertEq(new RegExp("[\uD83D\\u{DC38}]", "u").exec("\u{1F438}"),
null);
// escaped(lead), no unicode flag
assertEqArray(new RegExp("[\\uD83D\uDC38]", "").exec("\u{1F438}"),
["\uD83D"]);
// escaped(trail), no unicode flag
assertEqArray(new RegExp("[\uD83D\\uDC38]", "").exec("\u{1F438}"),
["\uD83D"]);
if (typeof reportCompare === "function")
reportCompare(true, true);
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