Function Name,Brief Description,Parameters,Result,Change Controller,Reference
length,"length of string, array, or object",ValueType,ValueType,IETF,"[RFC9535, Section 2.4]"
count,size of nodelist,NodesType,ValueType,IETF,"[RFC9535, Section 2.4]"
match,regular expression full match,"ValueType, ValueType",LogicalType,IETF,"[RFC9535, Section 2.4]"
search,regular expression substring match,"ValueType, ValueType",LogicalType,IETF,"[RFC9535, Section 2.4]"
value,value of the single node in nodelist,NodesType,ValueType,IETF,"[RFC9535, Section 2.4]"