Hey Igor, Try this: SELECT itemnumber, biblionumber, barcode, stocknumber, withdrawn, itemnotes_nonpublic, itype FROM items WHERE stocknumber REGEXP '^[0-9]{4}$' AND itype = "BK"; Beste Grüße, Eugen Bastron
Am 20.02.2025 um 10:11 schrieb Сычев Игорь Алексеевич <ias@tpu.ru>:
Hi!
How do I find only four digits at the beginning of a string? Example, there are values. 1234 2345 123456 25-1 24-11 VK-2 -123 123*
At the exit, I need to get 1234 2345
regexp '^[0-9]{4}' does not give the desired result.
My test: SELECT itemnumber, biblionumber, barcode, stocknumber, withdrawn, itemnotes_nonpublic, itype FROM items WHERE stocknumber regexp '^[0-9]{4}' AND itype = "BK"
Good Luck!
Igor A. Sychev Tomsk Polytechnic University https://lib.tpu.ru
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