45 lines
1.0 KiB
C#
45 lines
1.0 KiB
C#
using System.Text.RegularExpressions;
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namespace WmsMobileServe.Utils;
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public static class StringUtils
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{
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/// <summary>
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/// 判断一个字符串是不是 decimal
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/// </summary>
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/// <param name="value"></param>
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/// <returns></returns>
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public static bool IsDecimal(this string? value)
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{
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if(string.IsNullOrWhiteSpace(value)) return false;
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return Regex.IsMatch(value, "^\\d+\\.?\\d+$");
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}
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/// <summary>
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/// 判断一个字符串 是不是 decimal
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/// </summary>
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/// <param name="value"></param>
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/// <returns></returns>
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public static bool IsNotDecimal(this string? value)
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{
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return !value.IsDecimal();
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}
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/// <summary>
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/// 将字符串转换为 decimal
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/// </summary>
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/// <param name="value"></param>
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/// <returns></returns>
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public static decimal? ToDecimal(this string? value)
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{
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try
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{
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if (!value.IsDecimal()) return default;
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return Convert.ToDecimal(value);
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}
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catch { return default; }
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}
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}
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