سلام
حداقل با این دو روش میشه انجام داد
string sformat=
@"((?<=(\D|\b))(\d)(?=(\D|\b)))|" +
@"((?<=(\D|\b))(1\d)(?=(\D|\b)))|" +
@"((?<=(\D|\b))(2[0-3])(?=(\D|\b)))|" +
@"((?<=(\D|\b))(2[5-9])(?=(\D|\b)))|" +
@"((?<=(\D|\b))([3-9]\d)(?=(\D|\b)))|" +
@"((?<=(\D|\b))(1[0-8]\d)(?=(\D|\b)))|" +
@"((?<=(\D|\b))(19[0-5])(?=(\D|\b)))|" +
@"((?<=(\D|\b))(19[7-9])(?=(\D|\b)))|" +
@"((?<=(\D|\b))([2-9]\d{2})(?=(\D|\b)))|" +
@"((?<=(\D|\b))([1-3]\d{3})(?=(\D|\b)))|" +
@"((?<=(\D|\b))(4[0-4]\d{2})(?=(\D|\b)))|" +
@"((?<=(\D|\b))(45[0-5]\d)(?=(\D|\b)))|" +
@"((?<=(\D|\b))(456[0-8])(?=(\D|\b)))|" +
@"((?<=(\D|\b))(45[7-9]\d)(?=(\D|\b)))|" +
@"((?<=(\D|\b))(4[6-9][7-9]\d)(?=(\D|\b)))|" +
@"((?<=(\D|\b))([5-9]\d{3})(?=(\D|\b)))|" +
@"((?<=(\D|\b))([1-9]\d{4,})(?=(\D|\b)))";
foreach (Match element in Regex.Matches("24sd345fg24rg24678dsfd24", sformat))
{
MessageBox.Show(element.Value);
}
string sformat1 =
@"((?<=(\D|\b))(24)(?=(\D|\b)))|" +
@"((?<=(\D|\b))(196)(?=(\D|\b)))|" +
@"((?<=(\D|\b))(4569)(?=(\D|\b)))" ;
string sformat2 = @"((?<=(\D|\b))([1-9]\d+)(?=(\D|\b)))";
foreach (Match element in
Regex.Matches(
Regex.Replace("24sd345fg24rg24678dsfd24" , sformat1, string.Empty)
, sformat2))
{
MessageBox.Show(element.Value);
}