View the available options for creating custom expressions.
Criteria options for customized expressions
| Rule | Example | |
| None | None | All - Names from US Census Bureau 
 | 
| Specific characters | An expression must include the characters you have specified. In addition, the number of characters in the expression must be within the minimum
                                 and maximum
                                 limits. | US - ABA Routing Number 
 | 
| Suffix | Suffix refers to the last segment of an expression. A suffix must include the characters
                                 you have
                                 specified and contain a certain number of characters. In addition, the number of characters in the expression must be within the minimum
                                 and maximum
                                 limits. | All - Home Address 
 | 
| Single- character separator | An expression must have two segments separated by a character. The character must
                                 be 1 byte in
                                 length. In addition, the number of characters left of the separator must be within the minimum
                                 and
                                 maximum limits. The number of characters right of the separator must not exceed the
                                 maximum
                                 limit. | All - Email Address 
 | 
 
		