| Function | Random masking | Consistent masking | Bijective masking | Input data validation |
|---|---|---|---|---|
| Replace all |
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| Replace n first chars |
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| Replace n last chars |
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| Replace characters between two positions |
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| Replace all letters |
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| Replace all digits |
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| Keep n first digits and replace following ones |
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| Keep n last digits and replace following ones |
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| Keep characters between two positions |
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| Remove n first chars |
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| Remove n last chars |
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