Objective-C class that converts standard ISO date string to NSDate object

NSDate+ISOSupport.h

//
//  NSDate+ISOSupport.h
//
//  Created by Zhu Yuzhou on 1/12/13.
//

#import <Foundation/Foundation.h>

@interface NSDate (ISOSupport)

+(NSDate *)dateWithISOString:(NSString *)dateString;

@end

NSDate+ISOSupport.m

//
//  NSDate+ISOSupport.m
//
//  Created by Zhu Yuzhou on 1/12/13.
//

#import "NSDate+ISOSupport.h"

@implementation NSDate (ISOSupport)

+(NSDate *)dateWithISOString:(NSString *)dateString
{
    dateString = [dateString stringByReplacingOccurrencesOfString:@":" withString:@""];
    NSDateFormatter *f = [[NSDateFormatter alloc] init];
    [f setDateFormat:@"yyyy-MM-dd'T'HHmmss.SSSSSSZZ"];
    return [f dateFromString:dateString];
}

@end