db2 sql語句判斷字符串裏是否有數字或者字母

原創 qq1429351723 2020-06-13 09:39

利用ascii函數來去除對於的字母或數字的ascii值

數字的ascii值爲48到57

if ascii(left(字符串，1))>=48 and ascii(left(字符串，1))<=57 then
操作1
esle
操作2
endif
注：left(字符串，1)取字符串的第一個字符
ascii(left(字符串，1))>=48 and ascii(left(字符串，1))<57 判斷是否是0_9之間的
數字！

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