# ISO/IEC TR 19075-1:2011 — Withdrawn and superseded ISO standards For ISO/IEC TR 19075-1:2011, item title is Information technology — Database languages — SQL Technical Reports — Part 1: XQuery Regular Expression Support in SQL; status code is 9599; successor is ISO/IEC 19075-1:2021; withdrawn / published date is 2011-07-06, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC TR 19075-1:2011 _(verified: appears in the quote below)_ - **Item title:** Information technology — Database languages — SQL Technical Reports — Part 1: XQuery Regular Expression Support in SQL _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 19075-1:2021 - **Withdrawn / published date:** 2011-07-06 _(verified: appears in the quote below)_ ## What the source says > 41528,TR,,ISO/IEC TR 19075-1:2011,Information technology — Database languages — SQL Technical Reports — Part 1: XQuery Regular Expression Support in SQL,Technologies de l'information — Langages de base de données — Rapport techniques SQL — Partie 1: Support d'expressions régulières de XQuery en SQL,2011-07-06,1,['35.060'],ISO/IEC JTC 1/SC 32,9599,,[78932],['en'],23,"

ISO/IEC TR 19075-1:2011 describes the regular expression support in SQL adopted from the regular expression syntax of XQuery 1.0 and XPath 2.0 Functions and Operators (Second Edition), which is derived from Perl. It discusses five operators using this regular expression syntax: