using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @/
^(?:(?:(?:(?:(?:[13579][26]|[2468][048])00)|(?:[0-9]{2}(?:(?:[13579][26])|(?:[2468][048]|0[48]))))(?:(?:(?:09|04|06|11)(?:0[1-9]|1[0-9]|2[0-9]|30))|(?:(?:01|03|05|07|08|10|12)(?:0[1-9]|1[0-9]|2[0-9]|3[01]))|(?:02(?:0[1-9]|1[0-9]|2[0-9]))))|(?:[0-9]{4}(?:(?:(?:09|04|06|11)(?:0[1-9]|1[0-9]|2[0-9]|30))|(?:(?:01|03|05|07|08|10|12)(?:0[1-9]|1[0-9]|2[0-9]|3[01]))|(?:02(?:[01][0-9]|2[0-8])))))(([_]{1})[a-zA-Z-zÀ-ÿ-0-9\s]+?(?=_)([_]{1})(([0-9]+?(?=[.]))|([0-9]+?(?=[_])([_]{1})[a-zA-Z-zÀ-ÿ-0-9\s]+?(?=[.]))|([a-zA-Z-zÀ-ÿ-0-9\s]+?(?=_)([_]{1})(([0-9]+?(?=[.]))|([0-9]+?(?=_)([_]{1})[a-zA-Z-zÀ-ÿ-0-9\s]+?(?=[.]))))))
/;
string input = @"
20220103
20220103_type_67676.txt
20220103_ty ççpe_67676.txt
20220103_typ çw3434ç sdf ççe_67676.txt
20220103_type_sousType_67676.txt
20220103_type_sousType_67676_test.txt
20220103_tyéàààçççççééééêê432èèèè èïÜüïîÛÜÄçpe_67676.txt
20220103_tééééêê432èèype_sééééêê432èèsousType_67676.txt
20220103_tééééêê432èèype_sééééêê432èèsousType_67676_libre.txt
20211231_CA_80001_champ libre.txt
20220103_";
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