downkyi/DownKyi.Core/Utils/Validator/Number.cs

using System.Text.RegularExpressions;

namespace DownKyi.Core.Utils.Validator
{
    public static class Number
    {

        /// <summary>
        /// 字符串转数字（长整型）
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        public static long GetInt(string value)
        {
            return IsInt(value) ? long.Parse(value) : -1;
        }

        /// <summary>
        /// 是否为数字
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        public static bool IsInt(string value)
        {
            return Regex.IsMatch(value, @"^\d+$");
        }

    }
}