private string optimize(string regex)
{
PatternOptimizer optimizer = new PatternOptimizer();
optimizer.AutoAddLineEndMarks = true;
return(optimizer.Optimize(regex));
string opt = regex;
opt = Regex.Replace(opt, @"(?<before>.)\\^", "${before}");
opt = Regex.Replace(opt, @"\\$(?<after>.)", "${after}");
opt = Regex.Replace(opt, @"\$\^", "");
opt = Regex.Replace(opt, @"\\?\\$", "?");
//'opt = Regex.Replace(opt, "(\\s)+", Regex.Unescape("\\s+"))
opt = Regex.Replace(opt, @"\++", Regex.Unescape(@"\+"));
//'opt = Regex.Replace(opt, "\\+\\*", "+")
opt = opt.Replace("?+", "?");
opt = Regex.Replace(opt, doesNotStartWithEscapeChar("${"), "{");
opt = Regex.Replace(opt, doesNotStartWithEscapeChar("$["), "[");
opt = Regex.Replace(opt, doesNotStartWithEscapeChar("^?"), "^");
if (!opt.EndsWith("$"))
{
opt += "$";
}
if (opt.StartsWith("^["))
{
opt = "^" + opt;
}
opt = dontAllowIntheMiddle("^", opt);
opt = dontAllowIntheMiddle("$", opt);
if (regex.StartsWith("^") && !opt.StartsWith("^"))
{
opt = "^" + opt;
}
return(opt);
}
private string optimize(string regex)
{
PatternOptimizer optimizer = new PatternOptimizer();
optimizer.AutoAddLineEndMarks = true;
return optimizer.Optimize(regex);
string opt = regex;
opt = Regex.Replace(opt, @"(?<before>.)\\^", "${before}");
opt = Regex.Replace(opt, @"\\$(?<after>.)", "${after}");
opt = Regex.Replace(opt, @"\$\^", "");
opt = Regex.Replace(opt, @"\\?\\$", "?");
//'opt = Regex.Replace(opt, "(\\s)+", Regex.Unescape("\\s+"))
opt = Regex.Replace(opt, @"\++", Regex.Unescape(@"\+"));
//'opt = Regex.Replace(opt, "\\+\\*", "+")
opt = opt.Replace("?+", "?");
opt = Regex.Replace(opt, doesNotStartWithEscapeChar("${"), "{");
opt = Regex.Replace(opt, doesNotStartWithEscapeChar("$["), "[");
opt = Regex.Replace(opt, doesNotStartWithEscapeChar("^?"), "^");
if (!opt.EndsWith("$"))
{
opt += "$";
}
if (opt.StartsWith("^["))
{
opt = "^" + opt;
}
opt = dontAllowIntheMiddle("^", opt);
opt = dontAllowIntheMiddle("$", opt);
if (regex.StartsWith("^") && !opt.StartsWith("^"))
{
opt = "^" + opt;
}
return opt;
}
public void NoPattern()
{
string output = opt.Optimize("");
Assert.AreEqual("", output);
}