ruby on rails - Compare string to regex in rspec?` -

i doing

expect(@link.url_address == 'abc').to be_true

but url_address might have other text after abc trying

expect(@link.url_address =~ 'abc').to be_true

but getting

failure/error: expect(@link.url_address =~ /abc/).to be_true    expected  respond `true?`

i tried

expect(@link.url_address).to =~ /abc/

but get

 failure/error: expect(@link.url_address).to =~ /abc/  argumenterror:    expect syntax not support operator matchers, must pass matcher `#to`.

try this:

expect(@link.url_address).to match(/abc/)

O9