character of ... at position - Pacific Knowledge Systems

character of … at position extracts that character (a letter, digit or symbol) of a ‘string’ of text at a particular position.

For example, given the following case fragment,

           01 Jun 09    20 Jun 09    01 Jul 09    23 Aug 09    02 Nov 09
AccNum     09P50174     09P58934     09N61093     09P64927     09P76093
BillType      I            I            O            I            I

then the following conditions are true:

character of AccNum at position 3 is “P”
all character of AccNum at position 3 is “P”, where BillType is “I”