usage:
@INSTR[start,length,string]: Returns a substring, starting at the position start and continuing for length characters. If the length is omitted, it will default to the remainder of the string. If the length is negative, the start is relative to the right side of the string. The first character in the string is numbered 0; if the length is negative, the last character is numbered 0.
For example, %@INSTR[0,2,%_TIME] gets the current time and extracts the
hour; %@INSTR[1,-2,%_TIME] extracts the seconds. If the string includes
commas, it must be quoted with double quotes ["] or back-quotes [`]. The
quotes do count in calculating the position of the substring. |
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