pmiossec

var strings = new System.Collections.Generic.List<string> { "item 1", "item 2", "item 3" };
var displayStringList = "list : " + System.Environment.NewLine + "- " + strings.Aggregate((s1, s2) => s1 + System.Environment.NewLine + "- " + s2);

pmiossec

using System;
using System.Globalization;
using System.Text.RegularExpressions;

namespace Tools.Service
{
    /// <summary>
    ///  Fonctionalité pour tester le format de la saisie
    /// </summary>
    public static class Tools