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- #
- # nested.py
- # Copyright, 2007 - Paul McGuire
- #
- # Simple example of using nestedExpr to define expressions using
- # paired delimiters for grouping lists and sublists
- #
- from pyparsing import *
- data = """
- {
- { item1 "item with } in it" }
- {
- {item2a item2b }
- {item3}
- }
- }
- """
- # use {}'s for nested lists
- nestedItems = nestedExpr("{", "}")
- print(( (nestedItems+stringEnd).parseString(data).asList() ))
- # use default delimiters of ()'s
- mathExpr = nestedExpr()
- print(( mathExpr.parseString( "((( ax + by)*C) *(Z | (E^F) & D))") ))
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