替换几个不同位置的字符

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {

@autoreleasepool {

NSString *[email protected]"2013年5月5日";

NSString *newStr=[str stringByReplacingOccurrencesOfString:@"年" withString:@"-"];

NSString *newStr1=[newStr stringByReplacingOccurrencesOfString:@"月" withString:@"-"];

NSString *newStr2=[newStr1 stringByReplacingOccurrencesOfString:@"日" withString:@""];

NSLog(@"str=%@",newStr2);

}

return 0;

}