cMask_SetOptional constant

Indicates a set of optional characters allowed for a position in a mask.

Declaration

pascal

cMask_SetOptional = '|'

Common usage:

[|abc]: Character must be 'a', 'b', 'c' or a blank (space). Only interpreted as such if set is not negated using cMask_SetNegate.

An experiment, built from Lazarus main 2dfa93c66e of 10-22-2026. Not the official Lazarus documentation.