blog-azure-pipelines-validate-vars.yml

pool:
  vmImage: windows-latest

variables:
  - template: vars-all.yml
  - template: vars-dev.yml

steps:
# Use default for variable value (look for "$(..)"), but only for variable name "resourcename", and only warn
- task: validateVariablesTask@0
  displayName: 'Validate Variables 1'
  inputs:
    varNameRegex: resourcename
    warnOrError: Warn
    
# Use default for variable value (look for "$(..)"), warnOrError (error), but only for variable name "resourcename"
- task: validateVariablesTask@0
  displayName: 'Validate Variables 2'
  inputs:
    varNameRegex: resourcename

# Use default for variable value (look for "$(..)"), but only for variable name "resourcename", and only warn
- task: validateVariablesTask@0
  displayName: 'Validate Variables 3'
  inputs:
    varNameRegex: resourcename
    warnOrError: Warn

# Use defaults (check all vars, look for "$(..)"), error if invalid
- task: validateVariablesTask@0
  displayName: 'Validate Variables 4'