// // NSString+LHP.m // 乐销 // // Created by 刘惠萍 on 2017/6/9. // Copyright © 2017年 ping. All rights reserved. // #import "NSString+LHP.h" @implementation NSString (LHP) /** safe separate string; if self.length is equal 0 return empty array */ - (NSArray *)componentsValidSeparatedByString:(NSString *)strKey{ if (!isStr(strKey)) { return @[]; } NSMutableArray * aryReturn = [NSMutableArray array]; for (NSString * str in [self componentsSeparatedByString:strKey]) { if (isStr(str)) { [aryReturn addObject:str]; } } return aryReturn; } @end