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Add Regex Pattern for CSV Column #46

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Add Regex Pattern for CSV Column #46

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1 change: 1 addition & 0 deletions LINQtoCSV/CsvColumnAttribute.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ public class CsvColumnAttribute : System.Attribute
public NumberStyles NumberStyle { get; set; }
public string OutputFormat { get; set; }
public int CharLength { get; set; }
public string RegexPattern { get; set; }

public CsvColumnAttribute()
{
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10 changes: 9 additions & 1 deletion LINQtoCSV/FieldMapper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
using System.ComponentModel;
using System.Linq;
using System.Reflection;
using System.Text.RegularExpressions;

namespace LINQtoCSV
{
Expand Down Expand Up @@ -32,6 +33,7 @@ protected class TypeFieldInfo : IComparable<TypeFieldInfo>
public MethodInfo parseNumberMethod = null;
public MethodInfo parseExactMethod;
public int charLength = 0;
public string RegexPattern { get; set; }

// ----

Expand Down Expand Up @@ -131,7 +133,7 @@ private TypeFieldInfo AnalyzeTypeField(
{
tfi.name = cca.Name;
}

tfi.RegexPattern = cca.RegexPattern;
tfi.index = cca.FieldIndex;
tfi.hasColumnAttribute = true;
tfi.canBeNull = cca.CanBeNull;
Expand Down Expand Up @@ -545,6 +547,12 @@ public T ReadObject(IDataRow row, AggregatedException ae) {
{
try
{
if (tfi.RegexPattern != null && !Regex.IsMatch(value, tfi.RegexPattern))
{
throw new WrongDataFormatException(typeof(T).ToString(), tfi.name, value, row[i].LineNbr, m_fileName, null);
}


Object objValue = null;

// Normally, either tfi.typeConverter is not null,
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