What is the difference between REGEXP MATCH and REGEXP EXTRACT

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What is the difference between REGEXP_MATCH() and REGEXP_EXTRACT()?
Apr 1, 2019 in Tableau by Nithin
1,976 views

1 answer to this question.

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Hi,

REGEXP_MATCH() AND REGEXP_EXTRACT() are both used for pattern matching, bu the main difference is that REGEXP_MATCH() after matching would return true or false to check if field/string matches with pattern whereas REGEXP_EXTRACT() would return the string that matches the pattern as a output.

REGEXP_MATCH([Order ID],'AE-\w*-\w*-\w*') return True/False i.e Boolean Values.

REGEXP_EXTRACT([Order ID],'AE-\w*-\w*-\w*') return sub-string from String/Field. It can be used as a field separately to view data which has matched the pattern.

Both have the same syntax.

Hope this helps you.

answered Apr 1, 2019 by Cherukuri
• 33,030 points

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