pattern « XML Schema « XML

1.xs:pattern defines a pattern that must be matched by the lexical value of the datatype:
2.The xs:pattern facet is the only facet that can be applied multiple times.
3.Wildcard: integers that are multiples of 10
4.Define the intersection of the block L (all the letters) and the BasicLatin (ASCII characters below #x7F)
5.Oring and Grouping: "|" character is the "or" operator
6.Define a comma-separated list ignoring whitespaces between values and commas
7.Unicode blocks
8.ISBN type by pattern
9.Use pattern to control the extension name of image type