如何使用NSPredicate
计算字符串?
我使用NSPredicateControl
和字符串操作来获得类似的东西,N92 BEGINSWITH[cd] "n"
.我想对此进行评估以获得真/假值。我怎么得到它?有什么建议吗?
试试这个:-
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF BEGINSWITH[cd]%@", @"n"];
NSString *yourValue=@"nndfj";
BOOL result = [predicate evaluateWithObject:yourValue];
if (result ==YES)
{
NSLog(@"Word begin with n");
}
else{
NSLog(@"Word does not begin with n");
}