skaff, docs: Update for regexache

.ci/providerlint/passes/AWSAT001/README.md

@@ -24,15 +24,15 @@ Otherwise, available ARN testing check functions include:
 ## Flagged Code
 
 ```go
-resource.TestMatchResourceAttr("aws_lb_listener.test", "certificate_arn", regexp.MustCompile(`^arn:[^:]+:acm:[^:]+:[^:]+:certificate/.+$`))
+resource.TestMatchResourceAttr("aws_lb_listener.test", "certificate_arn", regexache.MustCompile(`^arn:[^:]+:acm:[^:]+:[^:]+:certificate/.+$`))
 ```
 
 ## Passing Code
 
 ```go
 resource.TestCheckResourceAttrPair("aws_lb_listener.test", "certificate_arn", "aws_acm_certificate.test", "arn")
 
-acctest.MatchResourceAttrRegionalARN("aws_lb_listener.test", "certificate_arn", "acm", regexp.MustCompile(`certificate/.+`))
+acctest.MatchResourceAttrRegionalARN("aws_lb_listener.test", "certificate_arn", "acm", regexache.MustCompile(`certificate/.+`))
 ```
 
 ## Ignoring Check
@@ -41,5 +41,5 @@ The check can be ignored for a certain line via a `//lintignore:AWSAT001` commen
 
 ```go
 //lintignore:AWSAT001
-resource.TestMatchResourceAttr("aws_lb_listener.test", "certificate_arn", regexp.MustCompile(`^arn:[^:]+:acm:[^:]+:[^:]+:certificate/.+$`))
+resource.TestMatchResourceAttr("aws_lb_listener.test", "certificate_arn", regexache.MustCompile(`^arn:[^:]+:acm:[^:]+:[^:]+:certificate/.+$`))
 ```

.ci/providerlint/passes/AWSAT001/testdata/src/a/main.go

@@ -1,14 +1,13 @@
 package a
 
 import (
-	"regexp"
-
+	"github.com/YakDriver/regexache"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
 )
 
 const resourceName = `aws_example_thing.test`
 
-var testRegexp = regexp.MustCompile(`.*`)
+var testRegexp = regexache.MustCompile(`.*`)
 
 func f() {
 	/* Passing cases */

docs/debugging.md

@@ -199,7 +199,7 @@ func TestAccVPCFlowLog_destinationError(t *testing.T) {
 				Config:      testAccVPCFlowLogConfig_destinationError(rName),
                 // This error should not happen!
                 // See https://github.com/hashicorp/terraform-provider-aws/issues/45912
-				ExpectError: regexp.MustCompile(`invalid destination`),
+				ExpectError: regexache.MustCompile(`invalid destination`),
 			},
 		},
 	})

skaff/datasource/datasourcetest.tmpl

@@ -40,9 +40,10 @@ import (
 	// types.<Type Name>.
 {{- end }}
 	"fmt"
-	"regexp"
 	"strings"
 	"testing"
+
+	"github.com/YakDriver/regexache"
 {{ if .AWSGoSDKV2 }}
 	"github.com/aws/aws-sdk-go-v2/aws"
 	"github.com/aws/aws-sdk-go-v2/service/{{ .ServicePackage }}"
@@ -200,7 +201,7 @@ func TestAcc{{ .Service }}{{ .DataSource }}DataSource_basic(t *testing.T) {
 						"username":       "Test",
 						"password":       "TestTest1234",
 					}),
-					acctest.MatchResourceAttrRegionalARN(dataSourceName, "arn", "{{ .ServicePackage }}", regexp.MustCompile(`{{ .DataSourceLower }}:+.`)),
+					acctest.MatchResourceAttrRegionalARN(dataSourceName, "arn", "{{ .ServicePackage }}", regexache.MustCompile(`{{ .DataSourceLower }}:+.`)),
 				),
 			},
 		},

skaff/go.mod

@@ -3,6 +3,7 @@ module github.com/hashicorp/terraform-provider-aws/skaff
 go 1.20
 
 require (
+	github.com/YakDriver/regexache v0.7.0
 	github.com/hashicorp/terraform-provider-aws v1.60.1-0.20220322001452-8f7a597d0c24
 	github.com/spf13/cobra v1.7.0
 )

skaff/go.sum

@@ -1,3 +1,5 @@
+github.com/YakDriver/regexache v0.7.0 h1:Mo0i2uUsRVbK+waHJ4+QPh/l7WknyQzCgAlMViSKa8w=
+github.com/YakDriver/regexache v0.7.0/go.mod h1:mD8oVCndzUi1Qig4J/wY6aF5SOdqyyGopfTjP8ePBP8=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=

skaff/resource/resource.go

@@ -11,10 +11,10 @@ import (
 	"io/fs"
 	"os"
 	"path/filepath"
-	"regexp"
 	"strings"
 	"text/template"
 
+	"github.com/YakDriver/regexache"
 	"github.com/hashicorp/terraform-provider-aws/names"
 )
 
@@ -52,18 +52,18 @@ func ToSnakeCase(upper string, snakeName string) string {
 		return snakeName
 	}
 
-	re := regexp.MustCompile(`([a-z])([A-Z]{2,})`)
+	re := regexache.MustCompile(`([a-z])([A-Z]{2,})`)
 	upper = re.ReplaceAllString(upper, `${1}_${2}`)
 
-	re2 := regexp.MustCompile(`([A-Z][a-z])`)
+	re2 := regexache.MustCompile(`([A-Z][a-z])`)
 	return strings.TrimPrefix(strings.ToLower(re2.ReplaceAllString(upper, `_$1`)), "_")
 }
 
 func HumanResName(upper string) string {
-	re := regexp.MustCompile(`([a-z])([A-Z]{2,})`)
+	re := regexache.MustCompile(`([a-z])([A-Z]{2,})`)
 	upper = re.ReplaceAllString(upper, `${1} ${2}`)
 
-	re2 := regexp.MustCompile(`([A-Z][a-z])`)
+	re2 := regexache.MustCompile(`([A-Z][a-z])`)
 	return strings.TrimPrefix(re2.ReplaceAllString(upper, ` $1`), " ")
 }
 

skaff/resource/resourcetest.tmpl

@@ -44,6 +44,8 @@ import (
 	"regexp"
 	"strings"
 	"testing"
+
+	"github.com/YakDriver/regexache"
 {{ if .AWSGoSDKV2 }}
 	"github.com/aws/aws-sdk-go-v2/aws"
 	"github.com/aws/aws-sdk-go-v2/service/{{ .ServicePackage }}"
@@ -202,7 +204,7 @@ func TestAcc{{ .Service }}{{ .Resource }}_basic(t *testing.T) {
 						"username":       "Test",
 						"password":       "TestTest1234",
 					}),
-					acctest.MatchResourceAttrRegionalARN(resourceName, "arn", "{{ .ServicePackage }}", regexp.MustCompile(`{{ .ResourceLower }}:+.`)),
+					acctest.MatchResourceAttrRegionalARN(resourceName, "arn", "{{ .ServicePackage }}", regexache.MustCompile(`{{ .ResourceLower }}:+.`)),
 				),
 			},
 			{