using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"((((([1-9][0-9]((0[48])|([13579][26])|([2468][048])))|(([1-9]((0[48])|([13579][26])|([2468][048]))))|(([13579][26])|([2468][048]))|([48]))|(((([13579][26])|([2468][048]))|[48])00))\/2\/(([1-9])|(1[0-9])|([2][0-9])))|(([1-9][0-9]{0,3})\/((([13578]|1[02])\/([1-9]|[12][0-9]|3[01]))|((([469]|11)\/([1-9]|([12][0-9])|(30)))|(2\/(([1-9])|(1[0-9])|([2][0-8]))))))) ((([02468])|([1][02468])|(2[02])):00)";
string input = @"判断时间的合法性
PTA作业链接
https://pintia.cn/problem-sets/1244999401232809984/problems/1245332988779970560
题目要求链接
https://images.ptausercontent.com/218e185f-05fe-4a17-be9b-640b21b74373.pdf
2015/8/5 2:00
";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx