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Check if a string matches a regular expression

Display "ok" if "Hello" matches /[A-Z][a-z]+/
DiskEdit
ruby
puts "ok" if ("Hello"=~/^[A-Z][a-z]+$/)
ExpandDiskEdit
csharp
if (Regex.IsMatch("Hello", "[A-Z][a-z]+"))
{
Console.WriteLine("ok");
}
ExpandDiskEdit
cpp C++/CLI .NET 2.0
if ((gcnew Regex("[A-Z][a-z]+"))->IsMatch("Hello")) Console::WriteLine("ok");
ExpandDiskEdit
cpp C++/CLI .NET 2.0
if (Regex::IsMatch("Hello", "[A-Z][a-z]+")) Console::WriteLine("ok");
ExpandDiskEdit
cpp C++/CLI .NET 2.0
Regex^ rx = gcnew Regex("[A-Z][a-z]+");
if (rx->IsMatch("Hello")) Console::WriteLine("ok");
ExpandDiskEdit
cpp
cmatch what;
if (regex_match("Hello", what, regex("[A-Z][a-z]+")))
cout << "ok" << endl;
ExpandDiskEdit
fantom
if (Regex<|[A-Z][a-z]+|>.matches("Hello"))
echo("ok")
ExpandDiskEdit
erlang
String = "Hello", Regexp = "[A-Z][a-z]+",
is_match(String, Regexp) andalso (begin io:format("ok~n"), true end).
DiskEdit
erlang 12B3+
case re:run("Hello", "[A-Z][a-z]+") of {match, _} -> ok end.

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