SQL Server Regex

Kevin Feasel

2016-12-30

CLR, T-SQL

Dev Nambi has a new open-source project:

Databases store text, and the best way to manipulate text is to use a regular expression (‘regex’). Using regular expressions in SQL queries has been possible in many database engines for decades.

Now you can use regular expressions in SQL Server queries, too. I’ve created an open-source project, sql-server-regex, that lets you run regular expressions in T-SQL queries using scalar and table-valued functions.

This is a set of CLR functions which use the built-in .NET regular expressions functionality.  That makes it pretty easy to see how the code works.

Related Posts

HASHBYTES On FOR JSON PATH Data

Greg Low walks us through a mechanism to check whether data has changed: In a previous post, I wrote about how to determine if a set of incoming values for a row are different to all the existing values in the row, using T-SQL in SQL Server. I later remembered that I’d seen a message by Adam […]

Read More

Parallelism Strategies For Grouping Operations

Itzik Ben-Gan continues his series on grouping data in SQL Server by looking at how these operations can go parallel: Besides needing to choose between various grouping and aggregation strategies (preordered Stream Aggregate, Sort + Stream Aggregate, Hash Aggregate), SQL Server also needs to choose whether to go with a serial or a parallel plan. […]

Read More

Categories

December 2016
MTWTFSS
« Nov Jan »
 1234
567891011
12131415161718
19202122232425
262728293031