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Adding a note on retrieving the string rep of the match_id (#4904)

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Stolen from here: https://stackoverflow.com/questions/47638877/using-phrasematcher-in-spacy-to-find-multiple-match-types
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Martin A. Kayser 2020-02-03 03:58:59 -08:00 committed by GitHub
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website/docs/api/phrasematcher.md
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@ -70,6 +70,17 @@ Find all token sequences matching the supplied patterns on the `Doc`.
| `doc` | `Doc` | The document to match over. | | `doc` | `Doc` | The document to match over. |
| **RETURNS** | list | A list of `(match_id, start, end)` tuples, describing the matches. A match tuple describes a span `doc[start:end]`. The `match_id` is the ID of the added match pattern. | | **RETURNS** | list | A list of `(match_id, start, end)` tuples, describing the matches. A match tuple describes a span `doc[start:end]`. The `match_id` is the ID of the added match pattern. |
<Infobox title="Note on retrieving the string representation of the match_id" variant="warning">
Because spaCy stores all strings as integers, the match_id you get back will be an integer, too – but you can always get the string representation by looking it up in the vocabulary's StringStore, i.e. nlp.vocab.strings:
```
match_id_string = nlp.vocab.strings[match_id]
```
</Infobox>
## PhraseMatcher.pipe {#pipe tag="method"} ## PhraseMatcher.pipe {#pipe tag="method"}
Match a stream of documents, yielding them in turn. Match a stream of documents, yielding them in turn.