where can i find a list of all built in matchers for Jasmine expect

You can find it in wiki on GitHub.

I managed to find this handy document on a related project :) https://github.com/JamieMason/Jasmine-Matchers

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In there they name the default ones:

expect(fn).toThrow(e);
expect(instance).toBe(instance);
expect(mixed).toBeDefined();
expect(mixed).toBeFalsy();
expect(number).toBeGreaterThan(number);
expect(number).toBeLessThan(number);
expect(mixed).toBeNull();
expect(mixed).toBeTruthy();
expect(mixed).toBeUndefined();
expect(array).toContain(member);
expect(string).toContain(substring);
expect(mixed).toEqual(mixed);
expect(mixed).toMatch(pattern);