InfoPower的wwDBGrid的picture Mask

內容來源：http://www.ayton.id.au/gary/it/Delphi/D_Valid1.htm
examples:
• # = any digit; ? = any letter; & = any letter, converted to uppercase; @ = any character;


• ! = any character converted to uppercase; ; = next character to be used literally;


• [abc] = optional sequence of characters abc


• { } = grouping operator
  eg. {Red, Green, Blue}
  eg. {Red,Gr[ay,een],B{l{ack,ue},rown},White,Yellow}
  
• * = repeat the following character any number of times：
  eg. *5{#} = specify 5 numbers in a row
  eg. *! = any number or any character with all letters converted to uppercase
  eg. &*? = letters with 1st letter capitalised