The beginning of the generator the page declares in its <meta name="generator">: the platform and its version.
Examples
Then the page generator should start with "Ghost"
Then the page generator should start with "Ghost 6"
Then the page generator should start with "Ghost 6.77"
And the page generator should start with "Ghost 6."
But the page generator should start with "Ghost "
Pattern
Then(/^the page generator should start with "([^"]*)"$/, …)
Part of @webship-js/ghost-steps (github.com/webship/ghost-steps), a step pack for Webship-js 2.0.x.