网上看到的一个帖子,保存下来,
-(NSString *)simplifyStringFromString:(NSString *)str{
int strIndex = 0;
int repeatCount = 0;
NSString *tempStr = nil;
NSString *returnStr = nil;
while (strIndex <= str.length) {
NSString *c = nil;
if (strIndex != str.length) {
c = [str substringWithRange:NSMakeRange(strIndex, 1)];
}
if (strIndex == 0) {
tempStr = c;
}
if (![c isEqualToString:tempStr]) {
if (repeatCount != 0) {
returnStr = [NSString stringWithFormat:@"%@%d",returnStr ? returnStr : @"",repeatCount];
}
returnStr = [NSString stringWithFormat:@"%@%@",returnStr ? returnStr : @"",tempStr];
tempStr = c;
repeatCount = 1;
}else{
repeatCount ++;
}
strIndex ++;
}
return returnStr;
}
NSString *str = @"abbcccddddeeeeeffffff";
NSString *result = [self simplifyStringFromString:str];
NSLog(@"%@",result);
log 1a2b3c4d5e6f 字符串压缩
原文：http://blog.csdn.net/capacity_bo/article/details/44560181
