in

This function returns a text string containing either the single character T (True) or the single character F (False) based on the results of comparing the input text string with the array of text strings in the v[ ] array.

Syntax

in( input, v[ ])

Parameters

• input—Specifies the input text string.

• v[ ]—Specifies an array of text strings. If the contents of the input text string match one of the text strings in the array, the value T (True) is returned; otherwise, the value F (False) is returned.

Remarks

The input text string can be another field mapping grammar function.