STU 3 Candidate

This page is part of the FHIR Specification (v1.4.0: STU 3 Ballot 3). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4 R3 R2

Extension: Regular expression pattern

URL for this extension: 

http://hl7.org/fhir/StructureDefinition/regex

Status: draft. Extension maintained by: Health Level Seven International (FHIR Infrastructure)

A regular expression that defines the syntax for the data element to be considered valid.

Context of Use: Use on element: ElementDefinition, Questionnaire.item

usage info: insert a list of places where this extension is used

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1stringURL = http://hl7.org/fhir/StructureDefinition/regex
Regular expression pattern: A regular expression that defines the syntax for the data element to be considered valid.
Use on element: ElementDefinition, Questionnaire.item

doco Documentation for this format

Fulle Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/regex
Regular expression pattern: A regular expression that defines the syntax for the data element to be considered valid.
Use on element: ElementDefinition, Questionnaire.item
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/regex"
... valueString 1..1stringValue of extension

doco Documentation for this format

XML Template

<!-- Regular expression pattern -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/regex" >
  <!-- from Element: extension -->
 <valueString value="[string]"/><!-- 1..1 Value of extension -->
</extension>

JSON Template

{ // Regular expression pattern
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/regex", // R! 
    "valueString" : "<string>" // R! Value of extension
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1stringURL = http://hl7.org/fhir/StructureDefinition/regex
Regular expression pattern: A regular expression that defines the syntax for the data element to be considered valid.
Use on element: ElementDefinition, Questionnaire.item

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/regex
Regular expression pattern: A regular expression that defines the syntax for the data element to be considered valid.
Use on element: ElementDefinition, Questionnaire.item
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/regex"
... valueString 1..1stringValue of extension

doco Documentation for this format

XML Template

<!-- Regular expression pattern -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/regex" >
  <!-- from Element: extension -->
 <valueString value="[string]"/><!-- 1..1 Value of extension -->
</extension>

JSON Template

{ // Regular expression pattern
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/regex", // R! 
    "valueString" : "<string>" // R! Value of extension
  }