Search Lambda functions by name across all AWS region

SearchLambdaFunctionByName

#Search for lambda function by partial name across all AWS regions
#Excluding ap-northeast-3 region because of exception while calling list-functions for this region

aws ec2 describe-regions \
  --query 'Regions[?RegionName!=`ap-northeast-3`].[RegionName]' \
  --output text | \
  xargs -I {} \
  aws lambda list-functions \
  --query "Functions[].[FunctionArn]" \
  --output text --region {} | \
  grep -i <replace_with_text_to_search>
  
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#Search for lambda function by partial name AND filter by runtime across all AWS regions
#Runtime values
# nodejs, nodejs4.3, nodejs6.10, nodejs8.10, java8, python2.7, python3.6, dotnetcore1.0, dotnetcore2.0, dotnetcore2.1, nodejs4.3-edge, go1.x

#Specify Runtime from one of the above list
runtime="python2.7"

#Searches for function name filtered by runtime
aws ec2 describe-regions \
  --query 'Regions[?RegionName!=`ap-northeast-3`].[RegionName]' \
  --output text | \
  xargs -I {} aws lambda list-functions \
  --query "Functions[?Runtime=='$runtime'].[FunctionArn]" \
  --output text --region {} | grep -i <replace_with_text_to_search>