public BString Replace(BString Old, BString New, int StartAt)
{
if (StartAt >= this.Length)
{
throw new Exception("Starting postition cannot be greater than Length");
}
if (Old.Length > this.Length)
{
return(new BString(this._elements));
}
BStringBuilder builder = new BStringBuilder();
bool found = false;
for (int i = StartAt; i < this.Length; i++)
{
found = (i >= this.Length - Old.Length ? false : BString.Equals(this, i, Old, 0, Old.Length));
if (!found)
{
builder.Append(this[i]);
}
else
{
builder.Append(New);
i += Old.Length - 1;
}
}
return(builder.ToBString());
}
// Concatenations //
public static BString Concat(BString A, BString B)
{
BStringBuilder builder = new BStringBuilder();
builder.Append(A);
builder.Append(B);
return(builder.ToBString());
}
public static BString Concat(IEnumerable <BString> Elements)
{
BStringBuilder builder = new BStringBuilder();
foreach (BString u in Elements)
{
builder.Append(u);
}
return(builder.ToBString());
}