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CS253 IQ 14

See this page as a slide show

Initializer Lists

Which of these is not a method of std::initializer_list?

1. .begin()
2. .end()
3. .size()
4. .empty()
5. They are all methods of std::initializer_list.

Regular Expressions

const regex r("Crown*Vic");
if (regex_search("Crown Princess Victoria", r))
    cout << "Hooray!\n";
else
    cout << "Bummer!\n";

Bummer!

What will this code produce?

1. Hooray!
2. Bummer!
3. It will not compile.

Regular Expressions

const regex r("C*P*Vic");
if (regex_search("Crown Princess Victoria", r))
    cout << "Hooray!\n";
else
    cout << "Bummer!\n";

Hooray!

What will this code produce?

1. Hooray!
2. Bummer!
3. It will not compile.

Regular Expressions

const regex r("C.*P.*Vic");
if (regex_search("Crown Princess Victoria", r))
    cout << "Hooray!\n";
else
    cout << "Bummer!\n";

Hooray!

What will this code produce?

1. Hooray!
2. Bummer!
3. It will not compile.

Regular Expressions

const regex r(R"(C.*\w+\sVic)");
if (regex_search("Crown Princess Victoria", r))
    cout << "Hooray!\n";
else
    cout << "Bummer!\n";

Hooray!

What will this code produce?

1. Hooray!
2. Bummer!
3. It will not compile.

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