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skytomo221/DecideACIntegerLiteral.cs

Created October 14, 2020 14:04
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DecideACIntegerLiteral.cs
using c=System.Console;using System.Text.RegularExpressions;class P{static void Main(){c.WriteLine(Regex.IsMatch(c.ReadLine(), @"^(?!.*(Ll|lL))(?i)(0[0-7]*|[1-9]\d*|0x[\da-f]+)(u?l?l?|l?l?u?)$"));}}
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