diff --git a/pym/calculate/lib/cl_template.py b/pym/calculate/lib/cl_template.py
index 6e37017..6cb71f7 100644
--- a/pym/calculate/lib/cl_template.py
+++ b/pym/calculate/lib/cl_template.py
@@ -2948,6 +2948,7 @@ class templateFunction(_error, _warning, _shareTemplate, _shareTermsFunction):
         """
         fname, op, regpattern = funArgv.replace(" ","").partition(",")
         regpattern = regpattern.replace("(?\<","(?<")
+        regpattern = self._replace_hex(regpattern)
         if not fname or not regpattern:
             self.raiseErrTemplate()
         try:
@@ -3413,6 +3414,13 @@ class templateFunction(_error, _warning, _shareTemplate, _shareTermsFunction):
                 textTemplateTmp[resS.end():]
         return (textTemplateTmp)
 
+    def _replace_hex(self, text):
+        """
+        Заменить в строке комбинацию \\x00 на символ
+        """
+        return re.sub(r'\\x([0-9a-fA-F]{2})',
+                lambda x:chr(int(x.group(1),16)), text)
+
     def funcReplace(self, funArgv, resS, localVars, textTemplateTmp, nameTemp):
         """локальная функция заменяет в значении переменной old на new
 
@@ -3437,8 +3445,7 @@ class templateFunction(_error, _warning, _shareTemplate, _shareTermsFunction):
                     textArgv = term[1:-1]
                     for replTerm in replTerms:
                         textArgv = textArgv.replace(*replTerm)
-                    textArgv = re.sub(r'\\x([0-9a-fA-F]{2})',
-                        lambda x:chr(int(x.group(1),16)),textArgv)
+                    textArgv = self._replace_hex(textArgv)
                     listArgv.append(textArgv)
                 elif term.startswith("'") and term.endswith("'"):
                     listArgv.append(term[1:-1])