Android validating text input

In the code samples below I’m using a Rx Observer “id Valid Obs” that observes a Edit Text “id Edit Text”.The input format I’m trying to match can be described by this regexp: And for those who are not familiar with regex syntax this translates to xxxx-xxxx-xxxx where x is a digit in the range 0-9.

start date is before end date, price is within expected range).

Input validation is performed to ensure only properly formed data is entering the workflow in an information system, preventing malformed data from persisting in the database and triggering malfunction of various downstream components.

Input validation should happen as early as possible in the data flow, preferably as soon as the data is received from the external party.

Form Edit Text android:layout_below="@ id/phone" android:id="@ id/creditcart" android:layout_width="match_parent" android:layout_height="wrap_content" android:hint=" Credit card" android:input Type="number" edit Text Form Example:test Type="credit Card" /> <com.andreabaccega.widget.

Form Edit Text android:layout_below="@ id/creditcart" android:id="@ id/custom_date_format" android:layout_width="match_parent" android:layout_height="wrap_content" android:hint=" Custom Date Format" edit Text Form Example:test Type="date" edit Text Form Example:custom Format="yyyy-MM-dd" /> <com.andreabaccega.widget.

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