diff --git a/Cargo.lock b/Cargo.lock
index d85b4f740..3efc75048 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -49,6 +49,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "anes"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
+
 [[package]]
 name = "anstream"
 version = "1.0.0"
@@ -494,6 +500,16 @@ dependencies = [
  "walkdir",
 ]
 
+[[package]]
+name = "bd-client-regex"
+version = "1.0.0"
+dependencies = [
+ "bd-workspace-hack",
+ "criterion",
+ "regex",
+ "regex-lite",
+]
+
 [[package]]
 name = "bd-client-stats"
 version = "1.0.0"
@@ -568,6 +584,7 @@ dependencies = [
  "bd-api",
  "bd-artifact-upload",
  "bd-client-common",
+ "bd-client-regex",
  "bd-client-stats-store",
  "bd-device",
  "bd-error-reporter",
@@ -591,7 +608,6 @@ dependencies = [
  "memmap2",
  "mockall",
  "notify",
- "regex",
  "tempfile",
  "thiserror 2.0.18",
  "time",
@@ -799,6 +815,7 @@ version = "1.0.0"
 dependencies = [
  "anyhow",
  "assert_matches",
+ "bd-client-regex",
  "bd-client-stats-store",
  "bd-log-matcher",
  "bd-log-primitives",
@@ -811,7 +828,6 @@ dependencies = [
  "itertools 0.14.0",
  "log",
  "pretty_assertions",
- "regex",
  "time",
 ]
 
@@ -822,6 +838,7 @@ dependencies = [
  "ahash",
  "anyhow",
  "assert_matches",
+ "bd-client-regex",
  "bd-log-primitives",
  "bd-proto",
  "bd-state",
@@ -833,7 +850,6 @@ dependencies = [
  "pretty_assertions",
  "protobuf 4.0.0-alpha.0",
  "rand 0.10.1",
- "regex",
  "tempfile",
  "time",
  "tokio",
@@ -1378,6 +1394,7 @@ dependencies = [
  "async-trait",
  "bd-api",
  "bd-client-common",
+ "bd-client-regex",
  "bd-client-stats",
  "bd-client-stats-store",
  "bd-completion",
@@ -1404,7 +1421,6 @@ dependencies = [
  "parking_lot",
  "pretty_assertions",
  "protobuf 4.0.0-alpha.0",
- "regex",
  "serde",
  "sha2",
  "simplelog",
@@ -1462,6 +1478,7 @@ dependencies = [
  "tracing",
  "tracing-core",
  "winnow 1.0.2",
+ "zerocopy",
 ]
 
 [[package]]
@@ -1546,6 +1563,12 @@ version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
 
+[[package]]
+name = "cast"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
+
 [[package]]
 name = "cbindgen"
 version = "0.29.2"
@@ -1629,6 +1652,33 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "ciborium"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42e69ffd6f0917f5c029256a24d0161db17cea3997d185db0d35926308770f0e"
+dependencies = [
+ "ciborium-io",
+ "ciborium-ll",
+ "serde",
+]
+
+[[package]]
+name = "ciborium-io"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05afea1e0a06c9be33d539b876f1ce3692f4afea2cb41f740e7743225ed1c757"
+
+[[package]]
+name = "ciborium-ll"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57663b653d948a338bfb3eeba9bb2fd5fcfaecb9e199e87e1eda4d9e8b240fd9"
+dependencies = [
+ "ciborium-io",
+ "half",
+]
+
 [[package]]
 name = "clang-sys"
 version = "1.8.1"
@@ -1798,12 +1848,73 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "criterion"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2b12d017a929603d80db1831cd3a24082f8137ce19c69e6447f54f5fc8d692f"
+dependencies = [
+ "anes",
+ "cast",
+ "ciborium",
+ "clap",
+ "criterion-plot",
+ "is-terminal",
+ "itertools 0.10.5",
+ "num-traits",
+ "once_cell",
+ "oorandom",
+ "plotters",
+ "rayon",
+ "regex",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "tinytemplate",
+ "walkdir",
+]
+
+[[package]]
+name = "criterion-plot"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
+dependencies = [
+ "cast",
+ "itertools 0.10.5",
+]
+
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9dd111b7b7f7d55b72c0a6ae361660ee5853c9af73f70c3c2ef6858b950e2e51"
+dependencies = [
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.8.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
 
+[[package]]
+name = "crunchy"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
+
 [[package]]
 name = "crypto-common"
 version = "0.2.1"
@@ -2394,6 +2505,17 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "half"
+version = "2.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ea2d84b969582b4b1864a92dc5d27cd2b77b622a8d79306834f1be5ba20d84b"
+dependencies = [
+ "cfg-if",
+ "crunchy",
+ "zerocopy",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.14.5"
@@ -2421,6 +2543,12 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
+[[package]]
+name = "hermit-abi"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
+
 [[package]]
 name = "home"
 version = "0.5.12"
@@ -2774,12 +2902,32 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "is-terminal"
+version = "0.4.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3640c1c38b8e4e43584d8df18be5fc6b0aa314ce6ebf51b53313d4306cca8e46"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a6cb138bb79a146c1bd460005623e142ef0181e3d0219cb493e02f7d08a35695"
 
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itertools"
 version = "0.13.0"
@@ -3244,6 +3392,12 @@ version = "1.70.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
 
+[[package]]
+name = "oorandom"
+version = "11.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6790f58c7ff633d8771f42965289203411a5e5c68388703c06e14f24770b41e"
+
 [[package]]
 name = "openssl-probe"
 version = "0.2.1"
@@ -3466,6 +3620,34 @@ version = "0.3.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19f132c84eca552bf34cab8ec81f1c1dcc229b811638f9d283dceabe58c5569e"
 
+[[package]]
+name = "plotters"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aeb6f403d7a4911efb1e33402027fc44f29b5bf6def3effcc22d7bb75f2b747"
+dependencies = [
+ "num-traits",
+ "plotters-backend",
+ "plotters-svg",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "plotters-backend"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df42e13c12958a16b3f7f4386b9ab1f3e7933914ecea48da7139435263a4172a"
+
+[[package]]
+name = "plotters-svg"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51bae2ac328883f7acdfea3d66a7c35751187f870bc81f94563733a154d7a670"
+dependencies = [
+ "plotters-backend",
+]
+
 [[package]]
 name = "potential_utf"
 version = "0.1.5"
@@ -3847,6 +4029,26 @@ version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "63b8176103e19a2643978565ca18b50549f6101881c443590420e4dc998a3c69"
 
+[[package]]
+name = "rayon"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb39b166781f92d482534ef4b4b1b2568f42613b53e5b6c160e24cfbfa30926d"
+dependencies = [
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22e18b0f0062d30d4230b2e85ff77fdfe4326feb054b9783a3460d8435c8ab91"
+dependencies = [
+ "crossbeam-deque",
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.18"
@@ -3899,6 +4101,12 @@ dependencies = [
  "regex-syntax",
 ]
 
+[[package]]
+name = "regex-lite"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cab834c73d247e67f4fae452806d17d3c7501756d98c8808d7c9c7aa7d18f973"
+
 [[package]]
 name = "regex-syntax"
 version = "0.8.10"
@@ -4814,6 +5022,16 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "tinytemplate"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be4d6b5f19ff7664e8c98d03e2139cb510db9b0a60b55f8e8709b689d939b6bc"
+dependencies = [
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.11.0"
diff --git a/Cargo.toml b/Cargo.toml
index 7254a3035..fa5a0527b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,6 +10,7 @@ members = [
   "bd-bounded-buffer",
   "bd-buffer",
   "bd-client-common",
+  "bd-client-regex",
   "bd-client-stats",
   "bd-client-stats-store",
   "bd-completion",
@@ -84,6 +85,7 @@ cc              = "1.2.60"
 clap            = { version = "4.6.1", features = ["derive", "env"] }
 cmake           = "0.1.58"
 color-backtrace = "0.7.2"
+criterion       = { version = "0.5", features = ["html_reports"] }
 concat-string   = "1.0.1"
 crc32fast       = "1.5.0"
 ctor            = "0.10.0"
diff --git a/bd-client-regex/Cargo.toml b/bd-client-regex/Cargo.toml
new file mode 100644
index 000000000..795d8ed50
--- /dev/null
+++ b/bd-client-regex/Cargo.toml
@@ -0,0 +1,21 @@
+[package]
+edition      = "2024"
+license-file = "../LICENSE"
+name         = "bd-client-regex"
+publish      = false
+version      = "1.0.0"
+
+[lib]
+doctest = false
+
+[dependencies]
+bd-workspace-hack.workspace = true
+regex-lite                  = "0.1.6"
+
+[dev-dependencies]
+criterion.workspace = true
+regex               = "1.12.3"
+
+[[bench]]
+harness = false
+name    = "regex_comparison"
diff --git a/bd-client-regex/benches/regex_comparison.rs b/bd-client-regex/benches/regex_comparison.rs
new file mode 100644
index 000000000..dda1a282d
--- /dev/null
+++ b/bd-client-regex/benches/regex_comparison.rs
@@ -0,0 +1,173 @@
+// shared-core - bitdrift's common client/server libraries
+// Copyright Bitdrift, Inc. All rights reserved.
+//
+// Use of this source code is governed by a source available license that can be found in the
+// LICENSE file or at:
+// https://polyformproject.org/wp-content/uploads/2020/06/PolyForm-Shield-1.0.0.txt
+
+// Compares regex-lite (used by bd-client-regex) against full regex to quantify the perf
+// trade-off for binary size savings.
+//
+// Run with: cargo bench -p bd-client-regex
+
+use criterion::{Criterion, black_box, criterion_group, criterion_main};
+
+// Patterns representative of real workflow/matcher usage.
+const PATTERNS: &[(&str, &str)] = &[
+  ("catch_all", ".*"),
+  ("prefix", "^HTTPRequest.*"),
+  ("error_code", r"error_code=\d+"),
+  ("url_path", r"^/api/v\d+/[a-zA-Z]+"),
+  ("log_level", r"^(DEBUG|INFO|WARNING|ERROR):\s"),
+  ("json_field", r#""session_id"\s*:\s*"[a-f0-9-]+""#),
+];
+
+// Haystacks representative of real log messages and field values.
+const HAYSTACKS: &[(&str, &str)] = &[
+  ("short_match", "HTTPRequest GET /api/v1/users"),
+  ("short_miss", "SceneDidActivate"),
+  (
+    "medium_log",
+    "ERROR: connection timeout after 30s for host api.example.com:443 error_code=504",
+  ),
+  (
+    "json_payload",
+    r#"{"session_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890", "event": "app_launch"}"#,
+  ),
+];
+
+fn bench_compile(c: &mut Criterion) {
+  let mut group = c.benchmark_group("compile");
+  group.sample_size(20);
+  for &(name, pattern) in PATTERNS {
+    group.bench_function(format!("lite/{name}"), |b| {
+      b.iter(|| regex_lite::Regex::new(black_box(pattern)).unwrap());
+    });
+    group.bench_function(format!("full/{name}"), |b| {
+      b.iter(|| regex::Regex::new(black_box(pattern)).unwrap());
+    });
+  }
+  group.finish();
+}
+
+fn bench_is_match(c: &mut Criterion) {
+  let mut group = c.benchmark_group("is_match");
+  group.sample_size(20);
+  for &(pat_name, pattern) in PATTERNS {
+    let lite_re = regex_lite::Regex::new(pattern).unwrap();
+    let full_re = regex::Regex::new(pattern).unwrap();
+
+    for &(hay_name, haystack) in HAYSTACKS {
+      let id = format!("{pat_name}/{hay_name}");
+      group.bench_function(format!("lite/{id}"), |b| {
+        b.iter(|| lite_re.is_match(black_box(haystack)));
+      });
+      group.bench_function(format!("full/{id}"), |b| {
+        b.iter(|| full_re.is_match(black_box(haystack)));
+      });
+    }
+  }
+  group.finish();
+}
+
+fn bench_captures(c: &mut Criterion) {
+  let mut group = c.benchmark_group("captures");
+  group.sample_size(20);
+
+  // Simulates save_field regex capture extraction (bd-workflows/src/config.rs).
+  let capture_patterns: &[(&str, &str, &str)] = &[
+    (
+      "error_code",
+      r"error_code=(\d+)",
+      "ERROR: connection timeout error_code=504",
+    ),
+    (
+      "session_id",
+      r#""session_id"\s*:\s*"([a-f0-9-]+)""#,
+      r#"{"session_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"}"#,
+    ),
+    (
+      "version",
+      r"^v(\d+)\.(\d+)\.(\d+)",
+      "v2.14.3-beta+build.123",
+    ),
+  ];
+
+  for &(name, pattern, haystack) in capture_patterns {
+    let lite_re = regex_lite::Regex::new(pattern).unwrap();
+    let full_re = regex::Regex::new(pattern).unwrap();
+
+    group.bench_function(format!("lite/{name}"), |b| {
+      b.iter(|| lite_re.captures(black_box(haystack)));
+    });
+    group.bench_function(format!("full/{name}"), |b| {
+      b.iter(|| full_re.captures(black_box(haystack)));
+    });
+  }
+  group.finish();
+}
+
+fn bench_replace_all(c: &mut Criterion) {
+  let mut group = c.benchmark_group("replace_all");
+  group.sample_size(20);
+
+  // Simulates log filter regex substitution (bd-log-filter/src/lib.rs).
+  let replace_cases: &[(&str, &str, &str, &str)] = &[
+    (
+      "redact_email",
+      r"[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}",
+      "User user@example.com logged in from admin@corp.io",
+      "[REDACTED]",
+    ),
+    (
+      "mask_token",
+      r"Bearer [a-zA-Z0-9._-]+",
+      "Authorization: Bearer eyJhbGciOiJIUzI1NiJ9.payload.signature",
+      "Bearer [MASKED]",
+    ),
+  ];
+
+  for &(name, pattern, haystack, replacement) in replace_cases {
+    let lite_re = regex_lite::Regex::new(pattern).unwrap();
+    let full_re = regex::Regex::new(pattern).unwrap();
+
+    group.bench_function(format!("lite/{name}"), |b| {
+      b.iter(|| lite_re.replace_all(black_box(haystack), replacement));
+    });
+    group.bench_function(format!("full/{name}"), |b| {
+      b.iter(|| full_re.replace_all(black_box(haystack), replacement));
+    });
+  }
+  group.finish();
+}
+
+fn bench_escape(c: &mut Criterion) {
+  let mut group = c.benchmark_group("escape");
+  group.sample_size(20);
+
+  // Simulates PREFIX match compilation (bd-log-matcher/src/matcher.rs).
+  let values = &[
+    ("simple", "HTTPRequest"),
+    ("special_chars", "foo.bar[0]+baz"),
+  ];
+
+  for &(name, value) in values {
+    group.bench_function(format!("lite/{name}"), |b| {
+      b.iter(|| regex_lite::escape(black_box(value)));
+    });
+    group.bench_function(format!("full/{name}"), |b| {
+      b.iter(|| regex::escape(black_box(value)));
+    });
+  }
+  group.finish();
+}
+
+criterion_group!(
+  benches,
+  bench_compile,
+  bench_is_match,
+  bench_captures,
+  bench_replace_all,
+  bench_escape,
+);
+criterion_main!(benches);
diff --git a/bd-client-regex/src/lib.rs b/bd-client-regex/src/lib.rs
new file mode 100644
index 000000000..aee6a2dfb
--- /dev/null
+++ b/bd-client-regex/src/lib.rs
@@ -0,0 +1,8 @@
+// shared-core - bitdrift's common client/server libraries
+// Copyright Bitdrift, Inc. All rights reserved.
+//
+// Use of this source code is governed by a source available license that can be found in the
+// LICENSE file or at:
+// https://polyformproject.org/wp-content/uploads/2020/06/PolyForm-Shield-1.0.0.txt
+
+pub use regex_lite::{Error, Regex, escape};
diff --git a/bd-crash-handler/Cargo.toml b/bd-crash-handler/Cargo.toml
index ee79d78b8..410061f22 100644
--- a/bd-crash-handler/Cargo.toml
+++ b/bd-crash-handler/Cargo.toml
@@ -33,7 +33,7 @@ log.workspace               = true
 memmap2.workspace           = true
 mockall.workspace           = true
 notify.workspace            = true
-regex.workspace             = true
+bd-client-regex.path        = "../bd-client-regex"
 thiserror.workspace         = true
 time.workspace              = true
 tokio.workspace             = true
diff --git a/bd-log-filter/Cargo.toml b/bd-log-filter/Cargo.toml
index fa729771a..a9220f6ae 100644
--- a/bd-log-filter/Cargo.toml
+++ b/bd-log-filter/Cargo.toml
@@ -18,7 +18,7 @@ bd-state.path               = "../bd-state"
 bd-workspace-hack.workspace = true
 itertools.workspace         = true
 log.workspace               = true
-regex.workspace             = true
+bd-client-regex.path        = "../bd-client-regex"
 time.workspace              = true
 
 [dev-dependencies]
diff --git a/bd-log-filter/src/lib.rs b/bd-log-filter/src/lib.rs
index b7fd017dd..fd44dd62f 100644
--- a/bd-log-filter/src/lib.rs
+++ b/bd-log-filter/src/lib.rs
@@ -19,6 +19,7 @@
 mod filter_chain_test;
 
 use anyhow::{Context, Result, anyhow};
+use bd_client_regex::Regex;
 use bd_log_primitives::tiny_set::TinyMap;
 use bd_log_primitives::{
   FieldsRef,
@@ -34,7 +35,6 @@ use bd_proto::protos::filter::filter::filter::{self};
 use bd_proto::protos::filter::filter::{Filter as FilterProto, FiltersConfiguration};
 use filter::transform::Transform_type;
 use itertools::Itertools;
-use regex::Regex;
 use std::borrow::Cow;
 
 #[cfg(test)]
diff --git a/bd-log-matcher/Cargo.toml b/bd-log-matcher/Cargo.toml
index 6f3eedfa2..dc8f71dc3 100644
--- a/bd-log-matcher/Cargo.toml
+++ b/bd-log-matcher/Cargo.toml
@@ -18,7 +18,7 @@ bd-workspace-hack.workspace = true
 itertools.workspace         = true
 protobuf.workspace          = true
 rand.workspace              = true
-regex.workspace             = true
+bd-client-regex.path        = "../bd-client-regex"
 tempfile.workspace          = true
 
 
diff --git a/bd-log-matcher/src/matcher.rs b/bd-log-matcher/src/matcher.rs
index 8566346ac..182aaba34 100644
--- a/bd-log-matcher/src/matcher.rs
+++ b/bd-log-matcher/src/matcher.rs
@@ -454,7 +454,7 @@ impl Leaf {
           (value.to_string(), Operator::OPERATOR_EQUALS)
         },
         legacy_log_matcher::base_log_matcher::StringMatchType::PREFIX => (
-          format!("^{}.*", regex::escape(value)),
+          format!("^{}.*", bd_client_regex::escape(value)),
           Operator::OPERATOR_REGEX,
         ),
         legacy_log_matcher::base_log_matcher::StringMatchType::REGEX => {
diff --git a/bd-log-matcher/src/value_matcher.rs b/bd-log-matcher/src/value_matcher.rs
index 0cd36bb21..a3aeeae82 100644
--- a/bd-log-matcher/src/value_matcher.rs
+++ b/bd-log-matcher/src/value_matcher.rs
@@ -6,6 +6,7 @@
 // https://polyformproject.org/wp-content/uploads/2020/06/PolyForm-Shield-1.0.0.txt
 
 use anyhow::{Result, anyhow};
+use bd_client_regex::Regex;
 use bd_log_primitives::tiny_set::TinyMap;
 use bd_proto::protos::value_matcher::value_matcher::double_value_match::Double_value_match_type;
 use bd_proto::protos::value_matcher::value_matcher::int_value_match::Int_value_match_type;
@@ -16,7 +17,6 @@ use bd_proto::protos::value_matcher::value_matcher::{
   StringValueMatch as StringValueMatch_type,
 };
 use protobuf::EnumOrUnknown;
-use regex::Regex;
 use std::ops::Deref;
 
 //
diff --git a/bd-log-matcher/src/version.rs b/bd-log-matcher/src/version.rs
index 47bce772c..256f55aa6 100644
--- a/bd-log-matcher/src/version.rs
+++ b/bd-log-matcher/src/version.rs
@@ -10,10 +10,10 @@
 mod test;
 
 use anyhow::{Result, anyhow};
+use bd_client_regex::Regex;
 use bd_proto::protos::value_matcher::value_matcher::{Operator, SemVerValueMatch};
 use itertools::Itertools;
 use protobuf::EnumOrUnknown;
-use regex::Regex;
 use std::cmp::Ordering;
 use std::fmt::Display;
 
diff --git a/bd-workflows/Cargo.toml b/bd-workflows/Cargo.toml
index 6a743ecd9..5d741d7ff 100644
--- a/bd-workflows/Cargo.toml
+++ b/bd-workflows/Cargo.toml
@@ -34,7 +34,7 @@ bincode.workspace           = true
 itertools.workspace         = true
 log.workspace               = true
 protobuf.workspace          = true
-regex.workspace             = true
+bd-client-regex.path        = "../bd-client-regex"
 serde.workspace             = true
 sha2.workspace              = true
 thiserror.workspace         = true
diff --git a/bd-workflows/src/config.rs b/bd-workflows/src/config.rs
index 144ff29c3..c233c4aa7 100644
--- a/bd-workflows/src/config.rs
+++ b/bd-workflows/src/config.rs
@@ -7,6 +7,7 @@
 
 use crate::workflow::Traversal;
 use anyhow::{anyhow, bail};
+use bd_client_regex::Regex;
 use bd_log_matcher::matcher::Tree;
 use bd_log_primitives::{FieldsRef, LogMessage};
 use bd_proto::protos::workflow::save_field::SaveField;
@@ -22,7 +23,6 @@ use bd_proto::protos::workflow::workflow::workflow::{
 use bd_state::Scope;
 use bd_stats_common::MetricType;
 use protobuf::MessageField;
-use regex::Regex;
 use std::borrow::Cow;
 use std::collections::{BTreeMap, BTreeSet, HashMap};
 use time::Duration;
@@ -605,7 +605,7 @@ impl Transition {
         required_matches: rule.count,
       },
       Rule_type::RuleStateChangeMatch(rule) => Predicate::StateChangeMatch {
-        state_change_match: StateChangeMatch::try_from_proto(rule)?,
+        state_change_match: Box::new(StateChangeMatch::try_from_proto(rule)?),
         extra_matcher: rule.log_matcher.as_ref().map(Tree::new).transpose()?,
       },
     };
@@ -684,7 +684,7 @@ pub(crate) enum Predicate {
     required_matches: u32,
   },
   StateChangeMatch {
-    state_change_match: StateChangeMatch,
+    state_change_match: Box<StateChangeMatch>,
     extra_matcher: Option<Tree>,
   },
 }
diff --git a/bd-workspace-hack/Cargo.toml b/bd-workspace-hack/Cargo.toml
index 6bb831070..f9bd16f31 100644
--- a/bd-workspace-hack/Cargo.toml
+++ b/bd-workspace-hack/Cargo.toml
@@ -51,6 +51,7 @@ tokio-util = { version = "0.7", features = ["codec", "io", "time"] }
 tower = { version = "0.5", default-features = false, features = ["balance", "buffer", "limit", "load-shed", "log", "retry"] }
 tracing = { version = "0.1", features = ["log"] }
 tracing-core = { version = "0.1" }
+zerocopy = { version = "0.8", default-features = false, features = ["derive", "simd"] }
 
 [build-dependencies]
 bitflags = { version = "2", default-features = false, features = ["std"] }
@@ -90,6 +91,7 @@ tower = { version = "0.5", default-features = false, features = ["balance", "buf
 tracing = { version = "0.1", features = ["log"] }
 tracing-core = { version = "0.1" }
 winnow = { version = "1" }
+zerocopy = { version = "0.8", default-features = false, features = ["derive", "simd"] }
 
 [target.aarch64-apple-darwin.dependencies]
 errno = { version = "0.3" }