whether contains support regular expressions in the future

[Sophie-Xie]

Lookup on player where player.name contains toLower(“L”) yield player.name,player.age

The contains clause cause the full-table scan full-text index, because the contained string may be in the middle position of the whole string.

In the future, we need consider whether contains supports regular expressions?
In addition, other string comparison functions have similar problems, such as ends with.