string

• <string> [not] to be <string>
• <string> [not] to be empty
• <string> [not] to be (greater than|above) <string>
• <string> [not] to be greater than or equal to <string>
• <string> [not] to be (less than|below) <string>
• <string> [not] to be less than or equal to <string>
• <string> [not] to be within <string> <string>
• <string> [not] to begin with <string>
• <string> [not] to contain <string+>
• <string> [not] to end with <string>
• <string> [not] to have length <number>
• <string> to match <regexp>
• <string> [not] to start with <string>