其实我最初误解了这个问题,
基本上我检查是否有错误,并检查某些会破坏它的可怕字符,但这不适用于括号,我需要在通过 SQL 传递字符串之前检查字符串中是否有任何括号如果有,将它们从字符串中直接删除。
例如说我有一个看起来像的字符串
[I am a magical string with super powers!){
我希望删除所有这些可怕的括号!
if (compiler.Parser.GetErrors().Count == 0)
{
AstNode root = compiler.Parse(phrase.ToLower());
if (compiler.Parser.GetErrors().Count == 0)
{
try
{
fTextSearch = SearchGrammar.ConvertQuery(root, SearchGrammar.TermType.Inflectional);
}
catch
{
fTextSearch = phrase;
}
}
else
{
fTextSearch = phrase;
}
}
else
{
fTextSearch = phrase;
}
string[] errorChars = errorChars = new string[]
{
"'",
"&"
};
StringBuilder sb = new StringBuilder();
string[] splitString = fTextSearch.Split(errorChars, StringSplitOptions.None);
int numNewCharactersAdded = 0;
foreach (string itm in splitString)
{
sb.Append(itm); //append string
if (fTextSearch.Length > (sb.Length - numNewCharactersAdded))
{
sb.Append(fTextSearch[sb.Length - numNewCharactersAdded]); //append splitting character
sb.Append(fTextSearch[sb.Length - numNewCharactersAdded - 1]); //append it again
numNewCharactersAdded++;
}
}
string newString = sb.ToString();
//Union with the full text search
if (!string.IsNullOrEmpty(fTextSearch))
{
sql.AppendLine("UNION");
sql.AppendLine(commonClause);
sql.AppendLine(string.Format("AND CONTAINS(nt.text, '{0}', LANGUAGE 'English')", newString));
}