How to get all public (both get and set) string properties of a type

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Your code rewritten. Does not use LINQ nor var.

public static void ReplaceEmptyStrings<T>(List<T> list, string replacement)
{
    PropertyInfo[] properties = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);

    foreach (PropertyInfo p in properties)
    {
        // Only work with strings
        if (p.PropertyType != typeof(string)) { continue; }

        // If not writable then cannot null it; if not readable then cannot check it's value
        if (!p.CanWrite || !p.CanRead) { continue; }

        MethodInfo mget = p.GetGetMethod(false);
        MethodInfo mset = p.GetSetMethod(false);

        // Get and set methods have to be public
        if (mget == null) { continue; }
        if (mset == null) { continue; }

        foreach (T item in list)
        {
            if (string.IsNullOrEmpty((string)p.GetValue(item, null)))
            {
                p.SetValue(item, replacement, null);
            }
        }
    }
}

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