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# Named Wildcard Builder

You use the Named Wildcard Builder when it is not practical to define precedences graphically, and when a logical naming convention has been used to name the headings or locations. For example, it can be impractical to define precedences graphically when there are a large number of headings or locations.

To use the Named Wildcard Builder, it is important that a logical naming convention has been used to name the headings or locations so that you can define groups of headings or locations using wildcards.

Precedences defined using the Named Wildcard Builder are not displayed with arrows in the 3D Canvas. Highlighting of locations in the 3D Canvas when you hover over a row in the data grid, and highlighting of the data grid when you hover over a heading or location in the 3D Canvas, is not supported for precedences that are defined using the Named Wildcard Builder.

Note: The exception to precedences not being displayed in the 3D Canvas when they are defined using the Named Wildcard Builder is that if you use the Next Precedence and Previous Precedence functions all precedences are honoured and the precedences are displayed.

You open the Named Wildcard Builder form by clicking the Ellipsis button in the Predecessor or Successor columns in the Precedence data grid.

Tip: If you open the Named Wildcard Builder form in a row that already contains data, the data is filled in the fields on the form. Opening the Named Wildcard Builder form in a row that already contains data can make it easier to create the predecessor and successor expressions because you will only need to replace parts of the heading or location names with named wildcards, rather than typing all of the information.

### Fields on the Named Wildcard Builder form

Column | Description
--- | ---
Predecessor expression | The expression used to define the predecessor locations. Named wildcards are defined using square brackets to surround the named wildcard term. You can use multiple named wildcards in the predecessor location. The named wildcard takes the place of a * in a normal wildcard expression. For example, the expression Drift_[number] will return all headings and locations that are named Drift_ followed by any characters or numbers.
Successor expression | The expression used to define the successor locations. Named wildcards are defined using square brackets to surround the named wildcard term. You can use any named wildcards in the successor location that you used in the predecessor location. You cannot use named wildcards in the successor location that are not defined in the predecessor location. A precedence is created when an exact match exists for the named wildcard in the predecessor and successor expressions and an exact match for the remaining fixed characters in the expressions. For example, the expression Stope_[number] returns all locations named Stope_, followed by any number. If Stope_[number] is combined with the Drift_[number] predecessor, each Drift_ heading becomes the predecessor for the Stope_ location of the same number. That is, Drift_1 becomes the predecessor for Stope_1, Drift_2 becomes the predecessor for Stope_2, continuing for as many Drift_ and Stope_ headings and locations as you have defined. Note: You can include addition and subtraction expressions that use integer numbers in the named wildcard. For example, if you had a predecessor expression of Drift_[number] and a successor expression of Stope_[number-1], Drift_2 would become the predecessor location for Stope_1, Drift_3 would become the predecessor location for Stope_2, continuing for as many drift and stope headings and locations as you have defined.
<x> predecessors specified | The heading of this column changes to reflect the number of results for the predecessor expression. The individual predecessor headings and locations, specified by the predecessor expression, are listed in the column.
Named wildcard values | All possible values of the named wildcard in each of the predecessor locations.
<x> successor matches found | The heading of this column changes to reflect the number of results for the successor expression. The individual successor headings or locations that are assigned to the predecessor headings and locations, based on the successor expression, are listed in the column.

### See also

- Surface Precedences
- Underground Precedences

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