Boolean Regular Expressions

Boolean regular expressions allow you to combine regular expressions using the Boolean and, or, and not operators.

Menu Item Operator Definition
Boolean And and Specifies that the preceding and following regular expressions must both match.
Boolean Or or Specifies that at least one of the preceding and following regular expressions must match.
Boolean Not not Specifies that the regular expression following the not must not match.

Regular and Boolean regular expression operators are available from drop-down menus, or you can enter them directly in the appropriate field. The following table shows examples of Boolean regular expressions.

Example Matches Does Not Match
la and ia La Vernia and Lelia Lake Lake Jackson
ville$ or town$ Brownsville and Baytown Lubbock
ille$ and not ^[n-z] Brownsville and Kerrville Pflugerville