how to write spacy matcher of POS regex

Question

Spacy has two features I\'d like to combine - part-of-speech (POS) and rule-based matching.

How can I combine them in a neat way?

For example - let\'s say i

Answer 1

Sure, simply use the POS attribute.

import spacy
nlp = spacy.load('en')
from spacy.matcher import Matcher
from spacy.attrs import POS
matcher = Matcher(nlp.vocab)
matcher.add_pattern("Adjective and noun", [{POS: 'ADJ'}, {POS: 'NOUN'}])

doc = nlp(u'what are the main issues')
matches = matcher(doc)