private static void VerifyMatch(Match match, CaptureData expected)
{
Assert.True(match.Success);
Assert.Equal(expected.Index, match.Index);
Assert.Equal(expected.Length, match.Length);
RegexAssert.Equal(expected.Value, match);
Assert.Equal(expected.Index, match.Groups[0].Index);
Assert.Equal(expected.Length, match.Groups[0].Length);
RegexAssert.Equal(expected.Value, match.Groups[0]);
Assert.Equal(1, match.Captures.Count);
Assert.Equal(expected.Index, match.Captures[0].Index);
Assert.Equal(expected.Length, match.Captures[0].Length);
RegexAssert.Equal(expected.Value, match.Captures[0]);
}
public async Task Matches_MultipleCapturingGroups(RegexEngine engine)
{
string[] expectedGroupValues = { "abracadabra", "abra", "cad" };
string[] expectedGroupCaptureValues = { "abracad", "abra" };
// Another example - given by Brad Merril in an article on RegularExpressions
Regex regex = await RegexHelpers.GetRegexAsync(engine, @"(abra(cad)?)+");
string input = "abracadabra1abracadabra2abracadabra3";
Match match = regex.Match(input);
while (match.Success)
{
string expected = "abracadabra";
RegexAssert.Equal(expected, match);
if (!RegexHelpers.IsNonBacktracking(engine))
{
Assert.Equal(3, match.Groups.Count);
for (int i = 0; i < match.Groups.Count; i++)
{
RegexAssert.Equal(expectedGroupValues[i], match.Groups[i]);
if (i == 1)
{
Assert.Equal(2, match.Groups[i].Captures.Count);
for (int j = 0; j < match.Groups[i].Captures.Count; j++)
{
RegexAssert.Equal(expectedGroupCaptureValues[j], match.Groups[i].Captures[j]);
}
}
else if (i == 2)
{
Assert.Equal(1, match.Groups[i].Captures.Count);
RegexAssert.Equal("cad", match.Groups[i].Captures[0]);
}
}
Assert.Equal(1, match.Captures.Count);
RegexAssert.Equal("abracadabra", match.Captures[0]);
}
match = match.NextMatch();
}
}
public void Matches_MultipleCapturingGroups()
{
string[] expectedGroupValues = { "abracadabra", "abra", "cad" };
string[] expectedGroupCaptureValues = { "abracad", "abra" };
// Another example - given by Brad Merril in an article on RegularExpressions
Regex regex = new Regex(@"(abra(cad)?)+");
string input = "abracadabra1abracadabra2abracadabra3";
Match match = regex.Match(input);
while (match.Success)
{
string expected = "abracadabra";
RegexAssert.Equal(expected, match);
Assert.Equal(3, match.Groups.Count);
for (int i = 0; i < match.Groups.Count; i++)
{
RegexAssert.Equal(expectedGroupValues[i], match.Groups[i]);
if (i == 1)
{
Assert.Equal(2, match.Groups[i].Captures.Count);
for (int j = 0; j < match.Groups[i].Captures.Count; j++)
{
RegexAssert.Equal(expectedGroupCaptureValues[j], match.Groups[i].Captures[j]);
}
}
else if (i == 2)
{
Assert.Equal(1, match.Groups[i].Captures.Count);
RegexAssert.Equal("cad", match.Groups[i].Captures[0]);
}
}
Assert.Equal(1, match.Captures.Count);
RegexAssert.Equal("abracadabra", match.Captures[0]);
match = match.NextMatch();
}
}
