This HTML5 document contains 4 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
n5perlmonks.
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:260528410
rdf:type
prov:Entity
prov:value
then you will be using the special meaning of . within a regular expression (that of matching any character other than end-of-line), and your conditional will thus also match strings like the hypothetical Server Not DOWN.
prov:wasQuotedFrom
n5:org
Subject Item
isap:419813091
prov:wasDerivedFrom
isa:260528410