The reason is that you would have to have space of 50 bytes in each of the arrays in the jagged array to accommodate the largest string. In this example, the largest string is of size 50.

The real strength of regular expressions however, lies in the handling of repetition. To illustrate this let’s take the example of needing to determine if a string contains a valid phone number.

And that's it. This Jenkins parameterized build example demonstrates just how easy it is to integrate String and Boolean Jenkins parameters at runtime and subsequently customize your CI pipelines.