function/stdlib: Rename "RegexpReplace" to "RegexReplace"

This is for consistency with the two other functions "Regex" and
"RegexAll" that pre-existed and are already being used in other codebases
(so cannot be renamed now).

cty/function/stdlib/string_replace.go

@@ -36,10 +36,10 @@ var ReplaceFunc = function.New(&function.Spec{
 	},
 })
 
-// RegexpReplaceFunc is a function that searches a given string for another
+// RegexReplaceFunc is a function that searches a given string for another
 // given substring, and replaces each occurence with a given replacement
 // string. The substr argument must be a valid regular expression.
-var RegexpReplaceFunc = function.New(&function.Spec{
+var RegexReplaceFunc = function.New(&function.Spec{
 	Params: []function.Parameter{
 		{
 			Name: "str",
@@ -75,6 +75,6 @@ func Replace(str, substr, replace cty.Value) (cty.Value, error) {
 	return ReplaceFunc.Call([]cty.Value{str, substr, replace})
 }
 
-func RegexpReplace(str, substr, replace cty.Value) (cty.Value, error) {
-	return RegexpReplaceFunc.Call([]cty.Value{str, substr, replace})
+func RegexReplace(str, substr, replace cty.Value) (cty.Value, error) {
+	return RegexReplaceFunc.Call([]cty.Value{str, substr, replace})
 }

cty/function/stdlib/string_replace_test.go

@@ -80,7 +80,7 @@ func TestRegexReplace(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.Input.GoString(), func(t *testing.T) {
-			got, err := RegexpReplace(test.Input, test.Substr, test.Replace)
+			got, err := RegexReplace(test.Input, test.Substr, test.Replace)
 
 			if err != nil {
 				t.Fatalf("unexpected error: %s", err)
@@ -93,8 +93,8 @@ func TestRegexReplace(t *testing.T) {
 	}
 }
 
-func TestRegexReplace_invalid_regex(t *testing.T) {
-	_, err := RegexpReplace(cty.StringVal(""), cty.StringVal("("), cty.StringVal(""))
+func TestRegexReplaceInvalidRegex(t *testing.T) {
+	_, err := RegexReplace(cty.StringVal(""), cty.StringVal("("), cty.StringVal(""))
 	if err == nil {
 		t.Fatal("expected an error")
 	}