how do i search between complicated numbers on mysql query?
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I have this number 4.40-4.85X3.60 in a column called MM.

i want to search for numbers that are 3 points bigger or lower from each number through mysql for exampel:

[4.37-4.43]-[4.82-4.88]X[0-9] , the number after X can be any number.

I tried using regular expressions but i didn't come with something that really work, please advise.