About: http://webisa.webdatacommons.org/164766608

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Regular expressions are a central element of UNIX utilities like egrep and programming languages such as Perl.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.com