40 lines
1.2 KiB
C#
40 lines
1.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace OnDoc.Helper
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{
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public static class Strings
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{
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public static string Right(this string value, int length)
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{
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if (String.IsNullOrEmpty(value)) return string.Empty;
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return value.Length <= length ? value : value.Substring(value.Length - length);
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}
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public static string Left(this string value, int maxLength)
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{
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if (string.IsNullOrEmpty(value)) return value;
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maxLength = Math.Abs(maxLength);
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return (value.Length <= maxLength
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? value
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: value.Substring(0, maxLength)
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);
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}
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public static string Base64Encode(string plainText)
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{
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var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
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return System.Convert.ToBase64String(plainTextBytes);
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}
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public static string Base64Decode(string base64EncodedData)
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{
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var base64EncodedBytes = System.Convert.FromBase64String(base64EncodedData);
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return System.Text.Encoding.UTF8.GetString(base64EncodedBytes);
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}
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}
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}
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