Thank you for all the information.
Indeed, the regular engine is not good at recognizing “start of the string” type of matching when exact word matching is enabled. For this purpose the index table engine is much better, and even faster.
I will see what I can do about it, but there is a good chance I won't be able to add string start & string end matching for the regular engine – not because it is complicated, but it might cause performance related issues. I will have to test it to see.Best,
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