public static string[] SplitWithSeparators(this string text, string[] separators, IncludedSeparatorsLocation includedSeparatorsLocation)
{
return text.SplitWithSeparators(separators, includedSeparatorsLocation, StringSplitOptions.RemoveEmptyEntries);
}
/// <summary>
/// Splits the string by a specified collection of separator strings and includes both the split strings and the separators in the returned list.
/// </summary>
public static string[] SplitWithSeparators(this string text, string[] separators, IncludedSeparatorsLocation includedSeparatorsLocation, StringSplitOptions splitOptions)
{
if (text == null)
return null;
var parts = new List<string>();
var i = 0;
var j = 0;
string token;
while (j < text.Length)
{
//Look for a separator string at the current index
string foundSeparator = null;
var substring = text.Substring(j);
foreach (var separator in separators)
{
if (substring.StartsWith(separator))
{
foundSeparator = separator;
break;
}
}
//If the current index begins with a separator string...
if (foundSeparator != null)
{
token = text.Substring(i, j - i);
switch (includedSeparatorsLocation)
{
case IncludedSeparatorsLocation.SeparateToken:
if (token.IsNotEmpty() || splitOptions == StringSplitOptions.None)
parts.Add(token);
parts.Add(foundSeparator);
break;
case IncludedSeparatorsLocation.AppendedToTokens:
parts.Add(token + foundSeparator);
break;
}
//Start on the next token
j += foundSeparator.Length;
i = j;
}
//Otherwise, continue building the current token
else
{
j++;
}
}
//Add the last token to the list
token = text.Substring(i, j - i);
parts.Add(token);
return parts.ToArray();
}
public static string[] SplitWithSeparators(this string text, char[] separators, IncludedSeparatorsLocation includedSeparatorsLocation, StringSplitOptions splitOptions)
{
return text.SplitWithSeparators(ToStringArray(separators), includedSeparatorsLocation, splitOptions);
}
