| public Match ( string input ) : object | ||
| input | string | The string on which to perform the search. |
| Результат | object | |
public static object Match(ScriptEngine engine, object thisObject, object substrOrRegExp)
{
if (thisObject == Null.Value || thisObject == Undefined.Value)
{
throw new JavaScriptException(ErrorType.TypeError, "String.prototype.match called on null or undefined.");
}
if (substrOrRegExp != Null.Value && substrOrRegExp != Undefined.Value)
{
// Get the [Symbol.match] property value.
var matchFunctionObj = TypeConverter.ToObject(engine, substrOrRegExp)[Symbol.Match];
if (matchFunctionObj != Undefined.Value)
{
// If it's a function, call it and return the result.
if (matchFunctionObj is FunctionInstance matchFunction)
{
return(matchFunction.CallLateBound(substrOrRegExp, thisObject));
}
else
{
throw new JavaScriptException(ErrorType.TypeError, "Symbol.match value is not a function.");
}
}
}
// Convert the argument to a regex.
var regex = new RegExpInstance(engine.RegExp.InstancePrototype, TypeConverter.ToString(substrOrRegExp, string.Empty));
// Call the [Symbol.match] function.
return(regex.Match(TypeConverter.ToString(thisObject)));
}
