public string sub(string str, Filter rf)
{
Regsub rs = new Regsub(this, str);
if (rs.nextMatch() == false)
{
return str;
}
System.Text.StringBuilder sb = new System.Text.StringBuilder();
do
{
sb.Append(rs.skipped());
if (rf.filter(rs, sb) == false)
{
break;
}
}
while (rs.nextMatch());
sb.Append(rs.rest());
return sb.ToString();
}
/// <summary> Matches a string against a regular expression and replaces the first
/// match with the string generated from the substitution parameter.
///
/// </summary>
/// <param name="">str
/// The string to match against this regular expression.
///
/// </param>
/// <param name="">subspec
/// The substitution parameter, described in <a href=#regsub>
/// REGULAR EXPRESSION SUBSTITUTION</a>.
///
/// </param>
/// <returns> The string formed by replacing the first match in
/// <code>str</code> with the string generated from
/// <code>subspec</code>. If no matches were found, then
/// the return value is <code>null</code>.
/// </returns>
public string sub(string str, string subspec)
{
Regsub rs = new Regsub(this, str);
if (rs.nextMatch())
{
System.Text.StringBuilder sb = new System.Text.StringBuilder(rs.skipped());
applySubspec(rs, subspec, sb);
sb.Append(rs.rest());
return sb.ToString();
}
else
{
return null;
}
}