REGEX_NAMED_GROUPS

Matches the regular expression on the input string. Returns the record with field names and group names.

Syntax

REGEX_NAMED_GROUPS(pattern, allMatches, filterEmpty, input)

Arguments

Name	Type	Description	Default Value
pattern	string	Regular Expression Pattern
allMatches	Boolean	Return all the matches of the pattern, and not only the first one	false
filterEmpty	Boolean	Filter out empty matches	false
input	string

Examples

pattern	allMatches	filterEmpty	input	Output
'^(?:(?.?):/)?/?(?[^:/\s]+)(?::(?\d))?(?:(/\w+)/)(?[\w-.]+[^#?\s]+)(?:.)?$'	false	false	'https://www.domain.com/page.html'	{scheme: https, domain: www.domain.com, port: null, page: page.html}
'^(?:(?.?):/)?/?(?[^:/\s]+)(?::(?\d))?(?:(/\w+)/)(?[\w-.]+[^#?\s]+)(?:.)?$'	false	false	'http://www.domain.com:8080/page.html'	{scheme: http, domain: www.domain.com, port: 8080, page: page.html}
'^(?\d*)$'	false	false	'123'	{digits: 123}
'^(?\d*)$'	false	false	'foo'	null
'^(?\d*)$'	false	false	''	{digits: ``}
'^(?\d*)$'	false	true	''	null
'\bwww.(?[^.]*).com\b'	true	false	'www.upsolver.com'	{domain: upsolver}
'\bwww.(?[^.]*).com\b'	true	false	'www.a.com www.b.com'	[{domain: a}, {domain: b}]
'\bwww.(?[^.]*).com\b'	false	false	'www.a.com www.b.com'	{domain: a}

Transformation job example

SQL

CREATE JOB function_operator_example
    ADD_MISSING_COLUMNS = true
AS INSERT INTO default_glue_catalog.upsolver_samples.orders_transformed_data 
  MAP_COLUMNS_BY_NAME
    SELECT pattern, allMatches, filterEmpty, input,
        REGEX_NAMED_GROUPS('^(?:(?<scheme>.*?):\/)?\/?(?<domain>[^:\/\s]+)(?::(?<port>\d*))?(?:(\/\w+)*\/)(?<page>[\w\-\.]+[^#?\s]+)(?:.*)?$', false, false, input) AS Output
    FROM default_glue_catalog.upsolver_samples.orders_raw_data
    LET pattern = '^(?:(?<scheme>.*?):\/)?\/?(?<domain>[^:\/\s]+)(?::(?<port>\d*))?(?:(\/\w+)*\/)(?<page>[\w\-\.]+[^#?\s]+)(?:.*)?$',
        allMatches = false,
        filterEmpty = false,
        input = 'https://www.domain.com/page.html'
    WHERE $commit_time BETWEEN run_start_time() AND run_end_time()
    LIMIT 1;

Query result

pattern	allMatches	filterEmpty	input	Output
'^(?:(?.?):/)?/?(?[^:/\s]+)(?::(?\d))?(?:(/\w+)/)(?[\w-.]+[^#?\s]+)(?:.)?$'	false	false	'https://www.domain.com/page.html'	{scheme: https, domain: www.domain.com, port: null, page: page.html}