text: package storage
  
  import (
  	"fmt"
  	"regexp"
  )
  
  // Following the naming convention as laid out in the docs https://msdn.microsoft.com/library/azure/dn167011.aspx
  func ValidateArmStorageShareName(v interface{}, k string) (warnings []string, errors []error) {
  	value := v.(string)
  	if !regexp.MustCompile(`^[0-9a-z-]+$`).MatchString(value) {
  		errors = append(errors, fmt.Errorf(
  			"only lowercase alphanumeric characters and hyphens allowed in %q: %q",
  			k, value))
  	}
  	if len(value) < 3 || len(value) > 63 {
  		errors = append(errors, fmt.Errorf(
  			"%q must be between 3 and 63 characters: %q", k, value))
  	}
  	if regexp.MustCompile(`^-`).MatchString(value) {
  		errors = append(errors, fmt.Errorf(
  			"%q cannot begin with a hyphen: %q", k, value))
  	}
  	if regexp.MustCompile(`[-]{2,}`).MatchString(value) {
  		errors = append(errors, fmt.Errorf(
  			"%q does not allow consecutive hyphens: %q", k, value))
  	}
  	return warnings, errors
  }
  