From dc85f89c7ee2150c408dea82aeebc799b99ad0cc Mon Sep 17 00:00:00 2001
From: Sait Furkan Teke <35101659+stfurkan@users.noreply.github.com>
Date: Fri, 18 Sep 2026 11:45:11 +0300
Subject: [PATCH] vocab : add ufakzeka pre-tokenizer (#29033)

* vocab : add ufakzeka pre-tokenizer

* vocab : move ufakzeka to the models list and regenerate the hash mapping
---
 conversion/base.py           |  3 +++
 convert_hf_to_gguf_update.py |  1 +
 src/llama-vocab.cpp          | 10 ++++++++++
 src/llama-vocab.h            |  1 +
 4 files changed, 15 insertions(+)

diff --git a/conversion/base.py b/conversion/base.py
index 8f6b3519cb..6aca7f1d34 100644
--- a/conversion/base.py
+++ b/conversion/base.py
@@ -1861,6 +1861,9 @@ class TextModel(ModelBase):
         if chkhsh == "972da7b59cec44d1f0a490a86c96df53859e486e481563e5dddac155013d87ac":
             # ref: https://huggingface.co/poolside/Laguna-XS.2
             res = "laguna"
+        if chkhsh == "653660222fb704f61cbf2b618a8ae6502b7f8b20c980f9a5de07ed78e13319cd":
+            # ref: https://huggingface.co/ufakai/ufakzeka-1
+            res = "ufakzeka"
 
         if res is None:
             logger.warning("\n")
diff --git a/convert_hf_to_gguf_update.py b/convert_hf_to_gguf_update.py
index 3a15a6fca3..24b9bc0757 100755
--- a/convert_hf_to_gguf_update.py
+++ b/convert_hf_to_gguf_update.py
@@ -163,6 +163,7 @@ models = [
     {"name": "granite-embed-multi-311m", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/ibm-granite/granite-embedding-311m-multilingual-r2", },
     {"name": "mellum2",          "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/JetBrains/Mellum2-12B-A2.5B-Base"},
     {"name": "laguna",           "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/poolside/Laguna-XS.2", },
+    {"name": "ufakzeka",         "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/ufakai/ufakzeka-1", },
 ]
 
 # some models are known to be broken upstream, so we will skip them as exceptions
diff --git a/src/llama-vocab.cpp b/src/llama-vocab.cpp
index ee65faf23e..737e072756 100644
--- a/src/llama-vocab.cpp
+++ b/src/llama-vocab.cpp
@@ -488,6 +488,12 @@ struct llm_tokenizer_bpe : llm_tokenizer {
                     "(?:'[sS]|'[tT]|'[rR][eE]|'[vV][eE]|'[mM]|'[lL][lL]|'[dD])|[^\\r\\n\\p{L}\\p{N}]?\\p{L}+|\\p{N}{1}| ?[^\\s\\p{L}\\p{N}\\r\\n]+|\\s*[\\r\\n]+|\\s+(?!\\S)|\\s+",
                 };
                 break;
+            case LLAMA_VOCAB_PRE_TYPE_UFAKZEKA:
+                regex_exprs = {
+                    // Qwen2 pattern without the English contraction group, so Turkish apostrophe suffixes stay attached
+                    "[^\\r\\n\\p{L}\\p{N}]?\\p{L}+|\\p{N}| ?[^\\s\\p{L}\\p{N}]+[\\r\\n]*|\\s*[\\r\\n]+|\\s+(?!\\S)|\\s+",
+                };
+                break;
             case LLAMA_VOCAB_PRE_TYPE_GROK_2:
                 regex_exprs = {
                     // original regex from tokenizer.json
@@ -2376,6 +2382,10 @@ void llama_vocab::impl::load(llama_model_loader & ml, const LLM_KV & kv) {
                 tokenizer_pre == "kimi-k2") {
                 pre_type = LLAMA_VOCAB_PRE_TYPE_KIMI_K2;
                 clean_spaces = false;
+            } else if (
+                tokenizer_pre == "ufakzeka") {
+                pre_type = LLAMA_VOCAB_PRE_TYPE_UFAKZEKA;
+                clean_spaces = false;
             } else if (
                 tokenizer_pre == "grok-2") {
                 pre_type = LLAMA_VOCAB_PRE_TYPE_GROK_2;
diff --git a/src/llama-vocab.h b/src/llama-vocab.h
index 65293c0261..3fb061f0ec 100644
--- a/src/llama-vocab.h
+++ b/src/llama-vocab.h
@@ -67,6 +67,7 @@ enum llama_vocab_pre_type {
     LLAMA_VOCAB_PRE_TYPE_LAGUNA            = 56,
     LLAMA_VOCAB_PRE_TYPE_HY_V4             = 57,
     LLAMA_VOCAB_PRE_TYPE_SPARK2_5          = 58,
+    LLAMA_VOCAB_PRE_TYPE_UFAKZEKA          = 59,
 };
 
 struct LLM_KV;