yangzhg commented on issue #1929: Think about replacing RE with hyperscan
URL: 
https://github.com/apache/incubator-doris/issues/1929#issuecomment-544862728
 
 
   HyperScan does not support capturing group  base on issus 
https://github.com/intel/hyperscan/issues/64
   
![image](https://user-images.githubusercontent.com/9098473/67270306-fc10e100-f4ea-11e9-9276-176d202b4b8c.png)
   
   
   in our project most use of RE2::FullMatch  is used to extract the sub-match 
data from regex string, so we cannot use HyperScan replace RE2

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