我想NSRegularExpression
在选定的表格视图单元格中执行一个操作。然而,问题是,它不是对单个选定项目执行操作,而是检查整个数组,然后在除网站之外的所有项目上将答案“是”置空(因为单独的“if”语句)。
这是代码:
NSArray *array = @"http://www.apple.com/, http://www.stackoverflow.com/, http://www.test.com/, This is text, 416-555-5555, 416-123-4567, This is also text.";
//more code
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
NSIndexPath* indexPath = [tableView indexPathForCell:sideSwipeCell];
NSError *error = NULL;
NSUInteger index = [buttons indexOfObject:button];
NSDictionary* buttonInfo = [buttonData objectAtIndex:index];
NSString *data = [[array objectAtIndex:indexPath.row] objectForKey:@"redirect_url"];
NSRegularExpression *naNum = [NSRegularExpression regularExpressionWithPattern:@"^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$" options:NSRegularExpressionCaseInsensitive error:&error];
NSRange naNumMatch = [naNum rangeOfFirstMatchInString:data options:0 range:NSMakeRange(0, [data length])];
if ([data rangeOfString:@"http://"].location != NSNotFound) {
// do something.
} else if ((!NSEqualRanges(naNumMatch, NSMakeRange(NSNotFound, 0)))) {
// do something
} else {
// do something
}
}
我该如何解决?提前致谢。