54 lines
1.6 KiB
C#
54 lines
1.6 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="RegexStringValidator.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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using System;
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using System.Collections;
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using System.IO;
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using System.Reflection;
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using System.Security.Permissions;
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using System.Xml;
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using System.Collections.Specialized;
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using System.Globalization;
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using System.ComponentModel;
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using System.Security;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace System.Configuration {
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public class RegexStringValidator : ConfigurationValidatorBase {
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private string _expression;
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private Regex _regex;
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public RegexStringValidator(string regex) {
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if (string.IsNullOrEmpty(regex)) {
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throw ExceptionUtil.ParameterNullOrEmpty("regex");
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}
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_expression = regex;
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_regex = new Regex(regex, RegexOptions.Compiled);
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}
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public override bool CanValidate(Type type) {
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return (type == typeof(string));
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}
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public override void Validate(object value) {
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ValidatorUtils.HelperParamValidation(value, typeof(string));
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if (value == null) {
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return;
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}
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Match match = _regex.Match((string)value);
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if (!match.Success) {
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throw new ArgumentException(SR.GetString(SR.Regex_validator_error, _expression));
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}
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}
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}
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}
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