我有一个字符串如下:
NSString str1 = @"Hello your bal = 68094";
我想删除字符串中"="符号之后的所有字符,有人可以给我提供解决方案吗?
尝试以下解决方案:
NSString *str1 = @"Hello your bal = 68094";
NSRange range = [str1 rangeOfString:@"="];
if (range.location != NSNotFound) {
NSString *newString = [str1 substringToIndex:range.location];
NSLog(@"%@",newString);
} else {
NSLog(@"= is not found");
}
或。NSString *str1 = @"Hello your bal = 68094";
NSRange range = [str1 rangeOfString:@"="];
if (range.location != NSNotFound) {
NSString *newString = [str1 substringWithRange:NSMakeRange(0, range.location)];
NSLog(@"%@",newString);
} else {
NSLog(@"= is not found");
}
给 @geekay_gk 的更新: 如果你确信你的字符串里会有2个等号,那么
NSString *str1=@"Hello your balance = 60094 and your id = rt456";
NSRange range = [str1 rangeOfString:@"=" options: NSBackwardsSearch];
NSString *newString = [str1 substringFromIndex:(range.location+1)];
NSLog(@"%@",newString);
如果字符串中包含空格,最好将其修剪(trim)。
NSString *str1=@"Hello your bal = 68094";
NSArray *tempArray = [str1 componentsSeparatedByString:@"="];
str1 = [tempArray objectAtIndex:0];
NSLog(@"%@", str1);
输出:
2012-03-15 11:21:01.249 TestApp[1539:207] Hello your bal
Hello your balance = 60094 and your id = rt456
,有没有办法现在获取 rt456? - geekay