Assertion: expression's number | /r/HasProperty | available
Facets:
value: for a wide variety of needs
type: PURPOSE
value: for reuse
type: PURPOSE
Source sentences:
text: Implementations of regex functionality is often called a regex engine, and a number of libraries are available for reuse.
text: A large number of E. coli expression plasmids are also available for a wide variety of needs.
text: A number of procedures are available as the values of variables in the initial environment; for example, the addition and multiplication procedures in the above examples are the values of the variables +