Radarr/NzbDrone.Common/StringExtensions.cs

51 lines
1.8 KiB
C#

using System.Text.RegularExpressions;
using System.Linq;
namespace NzbDrone.Common
{
public static class StringExtensions
{
public static string Inject(this string format, params object[] formattingArgs)
{
return string.Format(format, formattingArgs);
}
public static string Inject(this string format, params string[] formattingArgs)
{
return string.Format(format, formattingArgs.Cast<object>());
}
private static readonly Regex InvalidCharRegex = new Regex(@"[^a-z0-9\s-]", RegexOptions.Compiled | RegexOptions.IgnoreCase);
private static readonly Regex InvalidSearchCharRegex = new Regex(@"[^a-z0-9\s-\.]", RegexOptions.Compiled | RegexOptions.IgnoreCase);
private static readonly Regex CollapseSpace = new Regex(@"\s+", RegexOptions.Compiled | RegexOptions.IgnoreCase);
public static string ToSlug(this string phrase)
{
phrase = phrase.RemoveAccent().ToLower();
phrase = InvalidCharRegex.Replace(phrase, string.Empty);
phrase = CollapseSpace.Replace(phrase, " ").Trim();
phrase = phrase.Replace(" ", "-");
return phrase;
}
public static string ToSearchTerm(this string phrase)
{
phrase = phrase.RemoveAccent().ToLower();
phrase = phrase.Replace("&", "and");
phrase = InvalidSearchCharRegex.Replace(phrase, string.Empty);
phrase = CollapseSpace.Replace(phrase, " ").Trim();
phrase = phrase.Replace(" ", "+");
return phrase;
}
public static string RemoveAccent(this string txt)
{
var bytes = System.Text.Encoding.GetEncoding("Cyrillic").GetBytes(txt);
return System.Text.Encoding.ASCII.GetString(bytes);
}
}
}