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- 'use strict';
- var anObject = require('./_an-object');
- var toLength = require('./_to-length');
- var advanceStringIndex = require('./_advance-string-index');
- var regExpExec = require('./_regexp-exec-abstract');
- // @@match logic
- require('./_fix-re-wks')('match', 1, function (defined, MATCH, $match, maybeCallNative) {
- return [
- // `String.prototype.match` method
- // https://tc39.github.io/ecma262/#sec-string.prototype.match
- function match(regexp) {
- var O = defined(this);
- var fn = regexp == undefined ? undefined : regexp[MATCH];
- return fn !== undefined ? fn.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
- },
- // `RegExp.prototype[@@match]` method
- // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@match
- function (regexp) {
- var res = maybeCallNative($match, regexp, this);
- if (res.done) return res.value;
- var rx = anObject(regexp);
- var S = String(this);
- if (!rx.global) return regExpExec(rx, S);
- var fullUnicode = rx.unicode;
- rx.lastIndex = 0;
- var A = [];
- var n = 0;
- var result;
- while ((result = regExpExec(rx, S)) !== null) {
- var matchStr = String(result[0]);
- A[n] = matchStr;
- if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
- n++;
- }
- return n === 0 ? null : A;
- }
- ];
- });
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