Searches series attributes title, units, frequency, and tags by parsing words into stems. This makes it possible for searches like 'Industry' to match series containing related words such as 'Industries'. Of course, you can search for multiple words like 'money' and 'stock'. Remember to url encode spaces (e.g. money%20stock).

Performs a substring search on series IDs. Searching for 'ex' will find series containing 'ex' anywhere in a series ID. '*' can be used to anchor searches and match 0 or more of any character. Searching for 'ex*' will find series containing 'ex' at the beginning of a series ID. Searching for '*ex' will find series containing 'ex' at the end of a series ID. It's also possible to put an '*' in the middle of a string. 'm*sl' finds any series starting with 'm' and ending with 'sl'.