Masking Operations
Mask string values — fully replacing the entire value or partially masking a character range.
Masking operations are available under Mask Data > in the String column context menu.
Full Masking
Replaces the entire string value with XXXX.
⚠️ Warning: Full masking makes a permanent, irreversible change to the column data.
Partial Masking
Masks the substring between the specified character indexes, replacing that range with mask characters. Characters outside the specified range are preserved.
Field
Description
Start From Index
The character index at which masking begins (inclusive, 0-based).
End At Index
The character index at which masking ends (exclusive).
⚠️ Warning: Partial masking makes a permanent, irreversible change to the column data.
Example:
Input
Start
End
Output
user@example.com
4
12
user@XXXX.com
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