feat: 迁移到 regress 引擎（backref/lookaround/命名组/v-flag）+ 手动 \$ 展开 replace + exec 捕获组数组

Cargo.lock

@@ -560,6 +560,17 @@ dependencies = [
  "foldhash 0.1.5",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
+dependencies = [
+ "allocator-api2",
+ "equivalent",
+ "foldhash 0.2.0",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.17.1"
@@ -1110,6 +1121,7 @@ dependencies = [
  "oxide_types",
  "oxide_vm",
  "regex",
+ "regress",
  "ryu",
  "serde_json",
  "unicode-normalization",
@@ -1198,6 +1210,7 @@ dependencies = [
  "oxide_ir",
  "oxide_parser",
  "regex",
+ "regress",
 ]
 
 [[package]]
@@ -1614,6 +1627,16 @@ version = "0.8.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
 
+[[package]]
+name = "regress"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "158a764437582235e3501f683b93a0a6f8d825d04a789dbe5ed30b8799b8908a"
+dependencies = [
+ "hashbrown 0.16.1",
+ "memchr",
+]
+
 [[package]]
 name = "rustc-hash"
 version = "2.1.2"