1 files changed, 11 insertions, 9 deletions
diff --git a/ext/web/00_infra.js b/ext/web/00_infra.js
index 0a8491563..cff0f66d8 100644
--- a/ext/web/00_infra.js
+++ b/ext/web/00_infra.js
@@ -15,8 +15,8 @@ const {
   Error,
   JSONStringify,
   NumberPrototypeToString,
-  RegExp,
   SafeArrayIterator,
+  SafeRegExp,
   String,
   StringPrototypeCharAt,
   StringPrototypeCharCodeAt,
@@ -67,7 +67,7 @@ const HTTP_TOKEN_CODE_POINT = [
   "\u007E",
   ...new SafeArrayIterator(ASCII_ALPHANUMERIC),
 ];
-const HTTP_TOKEN_CODE_POINT_RE = new RegExp(
+const HTTP_TOKEN_CODE_POINT_RE = new SafeRegExp(
   `^[${regexMatcher(HTTP_TOKEN_CODE_POINT)}]+$`,
 );
 const HTTP_QUOTED_STRING_TOKEN_POINT = [
@@ -75,27 +75,27 @@ const HTTP_QUOTED_STRING_TOKEN_POINT = [
   "\u0020-\u007E",
   "\u0080-\u00FF",
 ];
-const HTTP_QUOTED_STRING_TOKEN_POINT_RE = new RegExp(
+const HTTP_QUOTED_STRING_TOKEN_POINT_RE = new SafeRegExp(
   `^[${regexMatcher(HTTP_QUOTED_STRING_TOKEN_POINT)}]+$`,
 );
 const HTTP_TAB_OR_SPACE_MATCHER = regexMatcher(HTTP_TAB_OR_SPACE);
-const HTTP_TAB_OR_SPACE_PREFIX_RE = new RegExp(
+const HTTP_TAB_OR_SPACE_PREFIX_RE = new SafeRegExp(
   `^[${HTTP_TAB_OR_SPACE_MATCHER}]+`,
   "g",
 );
-const HTTP_TAB_OR_SPACE_SUFFIX_RE = new RegExp(
+const HTTP_TAB_OR_SPACE_SUFFIX_RE = new SafeRegExp(
   `[${HTTP_TAB_OR_SPACE_MATCHER}]+$`,
   "g",
 );
 const HTTP_WHITESPACE_MATCHER = regexMatcher(HTTP_WHITESPACE);
-const HTTP_BETWEEN_WHITESPACE = new RegExp(
+const HTTP_BETWEEN_WHITESPACE = new SafeRegExp(
   `^[${HTTP_WHITESPACE_MATCHER}]*(.*?)[${HTTP_WHITESPACE_MATCHER}]*$`,
 );
-const HTTP_WHITESPACE_PREFIX_RE = new RegExp(
+const HTTP_WHITESPACE_PREFIX_RE = new SafeRegExp(
   `^[${HTTP_WHITESPACE_MATCHER}]+`,
   "g",
 );
-const HTTP_WHITESPACE_SUFFIX_RE = new RegExp(
+const HTTP_WHITESPACE_SUFFIX_RE = new SafeRegExp(
   `[${HTTP_WHITESPACE_MATCHER}]+$`,
   "g",
 );
@@ -150,6 +150,8 @@ function collectSequenceOfCodepoints(input, position, condition) {
   return { result: StringPrototypeSlice(input, start, position), position };
 }
 
+const LOWERCASE_PATTERN = new SafeRegExp(/[a-z]/g);
+
 /**
  * @param {string} s
  * @returns {string}
@@ -157,7 +159,7 @@ function collectSequenceOfCodepoints(input, position, condition) {
 function byteUpperCase(s) {
   return StringPrototypeReplace(
     String(s),
-    /[a-z]/g,
+    LOWERCASE_PATTERN,
     function byteUpperCaseReplace(c) {
       return StringPrototypeToUpperCase(c);
     },