dlpx-core:Redact Digits-Zero
This algorithm replaces all the digits of the input with a 0.
For example:
- 
                                                    
"98034209" → "000000000"
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"ABCxyz123" → "ABCxyz000"
 - 
                                                    
"Si" → "Si"
 - 
                                                    
"999-12-3456." → "000-00-0000."
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"" → ""