Format guidelines are defined in form of a " format of string " . It is to differentaite between sign and placeholders (for sign). Placeholders can happen again in three different stampings:

Nevertheless, it can not only be declared what must be entered, but also how many signs must be entered. But either a firm number of placeholders can be indicated or (with one;"*" ) any number permitted. Following table shows the valid quantity designators by the example of the placeholders of letters:

The syntax the format of string prescribes, that a placeholder always together with a quantity designator within a pair of square brackets "[]" in this order stand. Should several place holders be used in a format String, so they must stand in several pairs of square brackets.

Signs stand always beyond the square brackets.

The following informations are syntactical wrong and so no format of strin

• [j#j]
• [?X*]
• [???*]
• [#?]
• [#*X]
• [j]