US Patent 11954213 Obfuscating intelligent data while preserving reserve values

A system may receive a string of characters, identify two or more sub-strings of the string, compare the two or more sub-strings to one or more reserve values from a database of reserve values, identify a first sub-string of the two or more sub-strings that contains one of the one or more reserve values, identify a second sub-string of the two or more sub-strings with a sensitive value, and obfuscate the second sub-string and not obfuscating the first sub-string.