Validate Water Meter Reading Format
Validate Water Meter Reading Format
MediumStrings0% accepted
Mumbai water department receives meter readings in format 'ZONE_METERTYPE_READING_UNIT' like 'NA_DOM_12345_L' (North Arpita, Domestic, 12345 liters). Validate format consistency in batch readings to ensure data quality.
Approach
Given comma-separated meter reading strings in format ZONE_TYPE_VALUE_UNIT, count how many follow valid format (ZONE is 2 chars, TYPE is DOM/COM/IND, VALUE is numeric, UNIT is L or M3).
Input
NA_DOM_12345_L,WA_COM_54321_M3,BA_DOM_99999_L
Output
3
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