Only input number

Converts assertEquals("message", expected, actual) to AssertJ syntax Replacement: assertThat(${three}).isEqualTo(${two}).as(${one});

Match 8 or more consecutive digits irrespective of it's position in the string with string length between 8 and 20. ex: 11111111 - match ASD11111111 - match ASD22222222oook - match 777kjoi77777 - no match etc.,

regular expression for Region Code - pcre and js flavors