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Extension Regular expression pattern - Definition

URL for this extension:

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

Status: draft. Extension maintained by: HL7 FHIR project

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

Context of Use: Use on element: ElementDefinition, Questionnaire.group.question

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

Extension Content

• Structure
• XML
• JSON
• All

Structure

Name	Flags	Card.	Type	Description & Constraints
extension			Extension	URL = 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.group.question
extension		0..*	Extension	Additional Content defined by implementations
url		1..1	uri	identifies the meaning of the extension Fixed Value: http://hl7.org/fhir/StructureDefinition/regex
valueString		0..1	string	Value of extension

XML Template

<!-- Regular expression pattern -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/regex" >
  <!-- from Element: extension -->
 <valueString  value="[string]"/><!-- 0..1 Value of extension
</extension>

JSON Template

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

Structure

Name	Flags	Card.	Type	Description & Constraints
extension			Extension	URL = 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.group.question
extension		0..*	Extension	Additional Content defined by implementations
url		1..1	uri	identifies the meaning of the extension Fixed Value: http://hl7.org/fhir/StructureDefinition/regex
valueString		0..1	string	Value of extension

XML Template

<!-- Regular expression pattern -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/regex" >
  <!-- from Element: extension -->
 <valueString  value="[string]"/><!-- 0..1 Value of extension
</extension>

JSON Template

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