select -- select from a list, hash table, or string

Ways to use select :

• select(BasicList,Function) -- select elements from a list
• select(HashTable,Function) -- select pairs from a hash table
• select(String,String) -- select substrings matching a regular expression from a string
• select(String,String,String) -- select substrings matching a regular expression from a string
• select(ZZ,BasicList,Function) -- select a limited number of elements from a list
• select(ZZ,HashTable,Function) -- select a limited number of pairs from a hash table