2 var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');
3 var anObject = require('../internals/an-object');
4 var toLength = require('../internals/to-length');
5 var requireObjectCoercible = require('../internals/require-object-coercible');
6 var advanceStringIndex = require('../internals/advance-string-index');
7 var regExpExec = require('../internals/regexp-exec-abstract');
10 fixRegExpWellKnownSymbolLogic('match', 1, function (MATCH, nativeMatch, maybeCallNative) {
12 // `String.prototype.match` method
13 // https://tc39.es/ecma262/#sec-string.prototype.match
14 function match(regexp) {
15 var O = requireObjectCoercible(this);
16 var matcher = regexp == undefined ? undefined : regexp[MATCH];
17 return matcher !== undefined ? matcher.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
19 // `RegExp.prototype[@@match]` method
20 // https://tc39.es/ecma262/#sec-regexp.prototype-@@match
22 var res = maybeCallNative(nativeMatch, regexp, this);
23 if (res.done) return res.value;
25 var rx = anObject(regexp);
28 if (!rx.global) return regExpExec(rx, S);
30 var fullUnicode = rx.unicode;
35 while ((result = regExpExec(rx, S)) !== null) {
36 var matchStr = String(result[0]);
38 if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
41 return n === 0 ? null : A;