public void MatchesToNamedGroupsLookup_Throws_FormatException_When_Named_Groups_Are_Absent()
{
var input = "Hello";
var pattern = ".";
var ex = Should.Throw <FormatException>(() => RegexUtility.MatchesToNamedGroupsLookup(input, pattern));
}
public void MatchesToNamedGroupsLookup_Accepts_RegexOptions_To_Ignore_Case()
{
var input = "Hello, World! hi, Universe!";
var pattern = @"(?<Greeting>h\w+), (?<Subject>\w+)!";
ILookup <string, string> result = RegexUtility.MatchesToNamedGroupsLookup(input, pattern, RegexOptions.IgnoreCase);
result["Greeting"].ShouldContain("Hello");
result["Greeting"].ShouldContain("hi");
}
public void MatchesToNamedGroupsLookup_Returns_Expected_Result()
{
var input = "123-456-7890 hello 098-765-4321";
var pattern = @"(?<AreaCode>\d{3})-(?<First>\d{3})-(?<Last>\d{4})";
string[] groupNames = new[] { "AreaCode", "First", "Last" };
ILookup <string, string> result = RegexUtility.MatchesToNamedGroupsLookup(input, pattern);
result.Count.ShouldBe(groupNames.Length);
result[groupNames[0]].Count().ShouldBe(2);
result[groupNames[1]].ShouldContain("456");
result[groupNames[2]].ShouldContain("4321");
}