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Derekokich/regexblog4.scala

Created August 18, 2014 20:52
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regexblog4
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regexblog4.scala
def repeat: Parser[RegexExpr] = lit <~ "*"
^^ { case l => Repeat(l) }
def plus: Parser[RegexExpr] = lit <~ "+"
^^ { case p => Plus(p) }
def lowExpr: Parser[RegexExpr] = repeat | plus | lit
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