Search: Regex Remove Everything In Parenthesis In Parenthesis Regex Remove Everything gbf.taxi.veneto.it Views: 13047 Published: 23.06.2022 Author ... Search: table of content Part 1 Part 2 Part 3 Part 4 Part 5. This is the last post in a three-part series about Tableau data extract s. In the first post, we looked at how. The following instructions describe how to extract a sub string from a long string of characters and can be reviewed in the attached workbook . Select Analysis > Create Calculated Field. Name the calculated field. In the example workbook, the calculated field is named Substring. IF CONTAINS ( [<Dimension>], '<Identifying Character 1>') THEN MID. To materialize calculations in your extract, do the following: In Tableau Desktop, select the extract data source from the Data menu. Select Extract > Compute Calculations Now. In Tableau Regex formula is available in Tableau with 3 different formulas: Regexp_extract (String, pattern) -> returns the part matching In this case the formula looks at the characters between a-d followed. Inside the Tableau formula, this is: REGEXP_EXTRACT([JOURNAL_DESCRIPTION],'\d+[_]?\d*') I used a website called Regex101 to figure this out. I'm finding it really helpful for testing Regex and it's free: https://regex101.com/ Also if you only want to return a value including the letter before the number, add [A-Z] to the start of your expression. A pattern can be anything ranging from numbers , character, or a combination of all We can also use the Split method to get part of a string from a numbered delimiter, like we saw in some of the above examples The delimiter has.