Edit on GitHub
  • John Snow Labs
  • Dec 22, 2025

URL Regex Matcher

  • en
  • regexmatcher
  • licensed
  • clinical
  • url

Description

This model extracts URLs in clinical notes using rule-based RegexMatcherInternal annotator.

Copy S3 URI

How to use


documentAssembler = DocumentAssembler()\
      .setInputCol("text")\
      .setOutputCol("document")

url_regex_matcher = RegexMatcherInternalModel.pretrained("url_regex_matcher","en","clinical/models")\
    .setInputCols(["document"])\
    .setOutputCol("URL")\

url_regex_matcher_pipeline = Pipeline(
    stages=[
        documentAssembler,
        url_regex_matcher
        ])

data = spark.createDataFrame([
    ["""Name: ID: 1231511863, Driver's License No: A334455B, SSN: 324-59-8674. E-mail: hale@gmail.com.
        For more details, visit our website at www.johnsnowlabs.com or check out http://example.com for general info.
        For secure access, go to https://secure.example.com. File transfers can be done via ftp://files.example.com.
"""]]).toDF("text")


result = url_regex_matcher_pipeline.fit(data).transform(data)




documentAssembler = nlp.DocumentAssembler()\
      .setInputCol("text")\
      .setOutputCol("document")

url_regex_matcher = medical.RegexMatcherInternalModel.pretrained("url_regex_matcher","en","clinical/models")\
    .setInputCols(["document"])\
    .setOutputCol("URL")\

url_regex_matcher_pipeline = nlp.Pipeline(
    stages=[
        documentAssembler,
        url_regex_matcher
        ])

data = spark.createDataFrame([
    ["""Name: ID: 1231511863, Driver's License No: A334455B, SSN: 324-59-8674. E-mail: hale@gmail.com.
        For more details, visit our website at www.johnsnowlabs.com or check out http://example.com for general info.
        For secure access, go to https://secure.example.com. File transfers can be done via ftp://files.example.com.
"""]]).toDF("text")


result = url_regex_matcher_pipeline.fit(data).transform(data)





val documentAssembler = new DocumentAssembler()
	.setInputCol("text")
	.setOutputCol("document")

val url_regex_matcher = RegexMatcherInternalModel.pretrained("url_regex_matcher","en","clinical/models")
	.setInputCols(Array("document"))
	.setOutputCol("URL")

val regex_pipeline = new Pipeline().setStages(Array(
		documentAssembler,
		url_regex_matcher
  ))

val data = Seq("""Name: ID: 1231511863, Driver's License No: A334455B, SSN: 324-59-8674. E-mail: hale@gmail.com.
        For more details, visit our website at www.johnsnowlabs.com or check out http://example.com for general info.
        For secure access, go to https://secure.example.com. File transfers can be done via ftp://files.example.com.
        """).toDF("text")

val result = regex_pipeline.fit(data).transform(data)

Results


| chunk                      |   begin |   end | label   |
|:---------------------------|--------:|------:|:--------|
| www.johnsnowlabs.com       |     142 |   161 | URL     |
| http://example.com         |     176 |   193 | URL     |
| https://secure.example.com |     246 |   271 | URL     |
| ftp://files.example.com    |     305 |   327 | URL     |

Model Information

Model Name: url_regex_matcher
Compatibility: Healthcare NLP 6.2.2+
License: Licensed
Edition: Official
Input Labels: [document]
Output Labels: [entity_url]
Language: en
Size: 2.2 KB