字符串函数举例 print w qwerty print lent print len 9 print len(z 10 print len(w) <<> 2021/222 6
2021/2/22 6 字符串函数举例 print w qwertyu print len(x) 12 print len(y) 9 print len(z) 10 print len(w) 7 j
字符串函数举例 a=qwerty pl rint a qwerty b=left(a, 2) print b qW c=right(a, 3) print c <<> 2021/222
2021/2/22 7 字符串函数举例 a="qwertyu" print a qwertyu b=left(a,2) print b qw c=right(a,3) print c tyu j
字符串函数举例 d=mid (a, 2, 3) print d wer print len(a) 7 print instr(l, a "r'n print instr(a, t) 5 <<> 2021/222 8
2021/2/22 8 字符串函数举例 d=mid(a,2,3) print d wer print len(a) 7 print instr(1,a,"r") 4 print instr(a,"t") 5
字符串函数举例 print a; space 3);cd1234" qwerty cd1234 print ucas(Qwerty) QWERTY print Icase( lkjhgfas kihgfas <<> 2021/222
2021/2/22 9 字符串函数举例 print a；space(3)；"cd1234" qwertyu cd1234 print ucase("QWerty") QWERTY print lcase("lkjhGFas") lkjhgfas
字符串函数举例 a="1234 b="4567 c=a+b d=val(a)+val(b) print c,d 123445675801 <<> 2021/222 10
2021/2/22 10 字符串函数举例 a="1234" b="4567" c=a+b d=val(a)+val(b) print c,d 12344567 5801