Performs case-insensitive comparison of two string values.
This function returns:
negative number– indicates that the value of the first argument is lexically less than the second
positive number– indicates that the first argument is lexically greater than the second
0 (zero) – indicates that the arguments are equal
Arguments are coerced to strings, if necessary.
The following expression returns 0.
<ncmp> <s>Daryl</s> <s>daryl</s> </ncmp>