A use for REGEXP, I think.

[David Scott]

I have a field in a DB that contains something like
"lvlscore4:4493,lvlscore5:3232,lvlscore6:6128"
I need to select all records where the "lvlscore5:" is greater than 3000.
I think this can be done using REGEXP but I have read the docs and am non
the wiser for it. Can anyone point me in the right direction?
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Thanks
David Scott