- (BOOL)isUrlString {
NSString *emailRegex = @"[a-zA-z]+://.*";
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
return [emailTest evaluateWithObject:self];
}
diweinan 2016-12-23 11:07 原文
- (BOOL)isUrlString {
NSString *emailRegex = @"[a-zA-z]+://.*";
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
return [emailTest evaluateWithObject:self];
}