Revert "remove the regex match in log search name"

This reverts commit b850a76.

Author: ssharma-sumologic

sumologic/resource_sumologic_log_search.go

@@ -1,14 +1,18 @@
 package sumologic
 
 import (
+	"fmt"
 	"log"
+	"regexp"
 
 	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
 	"github.com/hashicorp/terraform-plugin-sdk/helper/validation"
 )
 
 func resourceSumologicLogSearch() *schema.Resource {
 
+	nameRegex := `^[a-zA-Z0-9 +%\-@.,_()]+$`
+
 	return &schema.Resource{
 		Create: resourceSumologicLogSearchCreate,
 		Read:   resourceSumologicLogSearchRead,
@@ -24,6 +28,7 @@ func resourceSumologicLogSearch() *schema.Resource {
 				Required: true,
 				ValidateFunc: validation.All(
 					validation.StringLenBetween(1, 255),
+					validation.StringMatch(regexp.MustCompile(nameRegex), fmt.Sprintf("Must match regex %s", nameRegex)),
 				),
 			},
 			"description": {