class HTML::Text

def find(conditions)

above.
is either a string or a regexp, and which is interpreted as described
* if +conditions+ is a hash, it must contain a :content key that
content
* if +conditions+ is a regular expression, it must match the node's
content
* if +conditions+ is a string, it must be a substring of the node's

conditions of the following kinds:
Returns +self+ if this node meets the given conditions. Text nodes support
def find(conditions)
  match(conditions) && self
end