...Implementation of the example on individual column searching (text inputs). Sometimes, your DataTable options are stored or computed server-side. All you need to do is to return the expected result as a promise. You can use Angular Pipe to transform data on the table. You can use Angular TemplateRef acquired from ViewChild or passing it from HTML to transform data on the table.
Simple Dashboard Admin App built using Angular 8 and Bootstrap 4
...Note that this seed project requires node >=v12.0.0 and npm >=6. Run ng generate component component-name to generate a new component. You can also use ng generate directive/pipe/service/class/module. Run ng test to execute the unit tests via Karma. Run ng e2e to execute the end-to-end tests via Protractor. Before running the tests make sure you are serving the app via ng serve.