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Validation routines are used by conditions for comparisons and do not transform or copy values. For lists of transformation routines, see Transformation Routines .

The following validation routines are available.

Spaces are indicated by a ^.

Validation Routines Routine Name Description Example Check characters at position

Validates that the string contains any of the character/s in the position specified in the parameter. Starting from the left, the first position is 0.

Parameter:

<position>@@<characters>

This routine can be useful to check values of MARC control fields.

The following setting makes sure that the seventh character is either a or b:

Parameter: 6@@ab

The following setting makes sure that the twenty-second character is either a space ( ) or a caret (^):

Parameter: 21@@ ^

There is a space between the last at sign (@) and the caret (^).

Validates a specified string from a specified position. Starting from the left, the first position is 0.

Parameter:

<position>@@<string>

Parameter: 35@@eng

Validates that any of the strings (which are separated by @@ in the Parameter field) are contained in the field.

Parameter: <string 1>@@<string 2>@@<string n>...

Parameter: whatever@@nothing@@something

Checks to see if the input string is not in the specified normalization mapping table. This table can be used – for example, to prevent the creation of dedup or FRBR keys for certain titles.

Parameter - The name of the normalization mapping table that contains the strings to check.

For example, you can create a normalization mapping table called commontitles and include a list of common titles to validate:

Validates that the length of the field is the same as the specified length in the parameter.

Parameter: 10