NSArray倒序
NSArray倒序
NSArray *tmparr = [[upLoadImageArr reverseObjectEnumerator] allObjects];
ios 正则表达式替换 1. 不可变字符串 (content 是不可变) NSRegularExpression *regularExpression = [NSRegularExpression regularExpressionWithPattern: @"<(/{0,})div(.{0,})>" options:0 error:nil]; content = [regularExpression stringByReplacingMatchesInString:content options:0 range:NSMakeRange(0, content.length) withTemplate:@""]; 1. 可变字符串 (content 是可变) [regularExpression replaceMatchesInString:content options:0 range:NSMakeRange(0, content.length) withTemplate:@""];