With multiple expressions, one result is returned for one or more fields that do not match the corresponding expressions. When you are searching multiple fields, you need to create multiple expressions. The check returns features or rows that have incorrect SSN field values, such as 123456789, 123-ab-4567, 345, or 123-4567. For example, to find records that have an incorrect Social Security number (SSN) format, you can type \b-\b in the SSN field. When a string is found that does not match the format or values specified, the table row is returned as an error. ![]() They include fields that contain the feature's name, measurements (height, length, width, and area), z-values, and metadata such as a feature's creation date. String fields use alphanumeric strings as their values. The Regular Expression check searches for text strings listed for each string field in a feature class or table and returns strings that don't match the format or values specified.
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