public void Backreference_Number()
{
var regex = RegularExpression.Of(
CaptureGroup.Of(Quantifiers.OneOrMore(Literal.For("a"))),
Quantifiers.ZeroOrMore(Literal.For("b")),
Backreference.For(1)
).ToRegex();
Assert.AreEqual(@"(a+)b*\1", regex.ToString());
}
public void Backreference_Name_WithQuotes()
{
var regex = RegularExpression.Of(
CaptureGroup.Of(new CaptureGroupOptions()
{
Name = "a", UseQuotes = true
}, Quantifiers.OneOrMore(Literal.For("a"))),
Quantifiers.ZeroOrMore(Literal.For("b")),
Backreference.For("a", true)
).ToRegex();
Assert.AreEqual(@"(?'a'a+)b*\k'a'", regex.ToString());
}
public void Backreference_Name()
{
var regex = RegularExpression.Of(
CaptureGroup.Of(new CaptureGroupOptions()
{
Name = "a"
}, Quantifiers.OneOrMore(Literal.For("a"))),
Quantifiers.ZeroOrMore(Literal.For("b")),
Backreference.For("a")
).ToRegex();
Assert.AreEqual(@"(?<a>a+)b*\k<a>", regex.ToString());
}