Mega Code Archive
Returns a string with non alphanumeric chars converted to the substitute character
<![CDATA[
//
// (C) Copyright 2009 Irantha Suwandarathna (irantha@gmail.com)
// All rights reserved.
//
/* Copyright (c) 2001-2008, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use _in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
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* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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*/
using System;
using System.Text;
using System.Collections.Generic;
namespace EffiProz.Core.Lib
{
/** Provides a collection of convenience methods for processing and
* creating objects with <code>String</code> value components.
*
* @author fredt@users
* @author boucherb@users
* @version 1.7.2
* @since 1.7.0
*/
public class StringUtil
{
/**
* Returns a string with non alphanumeric chars converted to the
* substitute character. A digit first character is also converted.
* By sqlbob@users
* @param source string to convert
* @param substitute character to use
* @return converted string
*/
public static string toLowerSubset(string source, char substitute)
{
int len = source.Length;
StringBuilder src = new StringBuilder(len);
char ch;
for (int i = 0; i < len; i++)
{
ch = source[(i)];
if (!Char.IsLetterOrDigit(ch))
{
src.Append(substitute);
}
else if ((i == 0) && Char.IsDigit(ch))
{
src.Append(substitute);
}
else
{
src.Append(Char.ToLower(ch));
}
}
return src.ToString();
}
}
}
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