regexpExtract

This section contains reference documentation for the regexpExtract function.

Extracts values that match the provided regular expression

Signature

regexpExtract(value, regexp)

regexpExtract(value, regexp, group)

regexpExtract(value, regexp, group, defaultValue)

Usage Examples

select regexpExtract('foo', '.*') AS value
from ignoreMe

value
foo

select regexpExtract('foo123', '[0-9]+') AS value
from ignoreMe

value
123

select regexpExtract('foo123', '[^0-9]+') AS value
from ignoreMe

value
foo

select regexpExtract('foo bar baz', '(\w+) (\w+)', 0) AS value
from ignoreMe

value
foo bar

select regexpExtract('foo bar baz', '(\w+) (\w+)', 2) AS value
from ignoreMe

value
bar

select regexpExtract('foo123', 'bar', 0, 'defaultValue') AS value
from ignoreMe

value
defaultValue