diff --git a/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj b/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj
index 78fdab5..db1a975 100644
--- a/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj
+++ b/Tests/NFUnitTestRegex/NFUnitTestRegex.nfproj
@@ -40,7 +40,7 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.52\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.63\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.TestFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.64\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
diff --git a/Tests/NFUnitTestRegex/packages.config b/Tests/NFUnitTestRegex/packages.config
index d0ebfd3..6e2da81 100644
--- a/Tests/NFUnitTestRegex/packages.config
+++ b/Tests/NFUnitTestRegex/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" targetFramework="netnano1.0" />
   <package id="nanoFramework.TestFramework" version="4.0.0-preview.64" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/NFUnitTestRegex/packages.lock.json b/Tests/NFUnitTestRegex/packages.lock.json
index 39d77dd..503b241 100644
--- a/Tests/NFUnitTestRegex/packages.lock.json
+++ b/Tests/NFUnitTestRegex/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.52, 2.0.0-preview.52]",
-        "resolved": "2.0.0-preview.52",
-        "contentHash": "cV9JEhoc2OV/UL602i5xmEwQpnn/gzVMlDTAIAMRxCNwBKNYLO9U50OkJykpGnO2SULTsmvFqQWEGZiuANBZHw=="
+        "requested": "[2.0.0-preview.63, 2.0.0-preview.63]",
+        "resolved": "2.0.0-preview.63",
+        "contentHash": "M2qEbjY8Uh5jpgrqDD7vJf2YXk3CmGbTHkb/t6w4F/aNyetOYk0LyekdwUSF0kZ+gTNMH/y6CTHBbJfgtMbIeA=="
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
diff --git a/nanoFramework.System.Text.RegularExpression.Benchmark/nanoFramework.System.Text.RegularExpression.Benchmark.nfproj b/nanoFramework.System.Text.RegularExpression.Benchmark/nanoFramework.System.Text.RegularExpression.Benchmark.nfproj
index f1d9a12..991ee1e 100644
--- a/nanoFramework.System.Text.RegularExpression.Benchmark/nanoFramework.System.Text.RegularExpression.Benchmark.nfproj
+++ b/nanoFramework.System.Text.RegularExpression.Benchmark/nanoFramework.System.Text.RegularExpression.Benchmark.nfproj
@@ -33,7 +33,7 @@
   </ItemGroup>
   <ItemGroup>
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-      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.52\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.63\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Benchmark, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Benchmark.2.0.0-preview.11\lib\netnano1.0\nanoFramework.Benchmark.dll</HintPath>
@@ -42,13 +42,13 @@
       <HintPath>..\packages\nanoFramework.Logging.2.0.0-preview.39\lib\netnano1.0\nanoFramework.Logging.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Native, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Native.2.0.0-preview.25\lib\netnano1.0\nanoFramework.Runtime.Native.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Native.2.0.0-preview.29\lib\netnano1.0\nanoFramework.Runtime.Native.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.15\lib\netnano1.0\nanoFramework.System.Collections.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.23\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.37\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
     </Reference>
     <Reference Include="System.Diagnostics.Stopwatch, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Diagnostics.Stopwatch.2.0.0-preview.82\lib\netnano1.0\System.Diagnostics.Stopwatch.dll</HintPath>
diff --git a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
index cab3d69..44de4d2 100644
--- a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
+++ b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.Benchmark" version="2.0.0-preview.11" targetFramework="netnano1.0" />
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" targetFramework="netnano1.0" />
   <package id="nanoFramework.Logging" version="2.0.0-preview.39" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Runtime.Native" version="2.0.0-preview.25" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Native" version="2.0.0-preview.29" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="2.0.0-preview.15" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Diagnostics.Stopwatch" version="2.0.0-preview.82" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Text" version="2.0.0-preview.23" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Text" version="2.0.0-preview.37" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
index 4d40c5b..58ed935 100644
--- a/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
+++ b/nanoFramework.System.Text.RegularExpression.Benchmark/packages.lock.json
@@ -10,9 +10,9 @@
       },
       "nanoFramework.CoreLibrary": {
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-        "resolved": "2.0.0-preview.52",
-        "contentHash": "cV9JEhoc2OV/UL602i5xmEwQpnn/gzVMlDTAIAMRxCNwBKNYLO9U50OkJykpGnO2SULTsmvFqQWEGZiuANBZHw=="
+        "requested": "[2.0.0-preview.63, 2.0.0-preview.63]",
+        "resolved": "2.0.0-preview.63",
+        "contentHash": "M2qEbjY8Uh5jpgrqDD7vJf2YXk3CmGbTHkb/t6w4F/aNyetOYk0LyekdwUSF0kZ+gTNMH/y6CTHBbJfgtMbIeA=="
       },
       "nanoFramework.Logging": {
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@@ -22,9 +22,9 @@
       },
       "nanoFramework.Runtime.Native": {
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-        "requested": "[2.0.0-preview.25, 2.0.0-preview.25]",
-        "resolved": "2.0.0-preview.25",
-        "contentHash": "/CXYVGa3HXrEA4JJ1lQsQtnczgA4W7exSqlyyWKxh29TLHPalll6Y5UoxsBmbRX0WDCWBmBZvdGNIaL3wLpuOA=="
+        "requested": "[2.0.0-preview.29, 2.0.0-preview.29]",
+        "resolved": "2.0.0-preview.29",
+        "contentHash": "amNGWAv0MaoHR5RzAHE0GrBT42dRLOX9BYABLYZ+Vggcwyk6ftKFz5rrElzArpRGsw+WLKJRj6ro/H5gq3dVgQ=="
       },
       "nanoFramework.System.Collections": {
         "type": "Direct",
@@ -40,9 +40,9 @@
       },
       "nanoFramework.System.Text": {
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-        "requested": "[2.0.0-preview.23, 2.0.0-preview.23]",
-        "resolved": "2.0.0-preview.23",
-        "contentHash": "ZS+T/tUqF37IFnwi4GzBLfCAiffafbOExYZSmZeKrB0NVMkms/8onBgwIw8rN9I5WmzugbQCNKGY+jdJF9s2/A=="
+        "requested": "[2.0.0-preview.37, 2.0.0-preview.37]",
+        "resolved": "2.0.0-preview.37",
+        "contentHash": "U8Evi6mLwAW8BXlLAZGYXgqqtOO/4XJvnBFomPVsJqyePGnzHBNTpOoNc2UzvjQckOZ3MynHI0GgrY5x8xhAdw=="
       }
     }
   }
diff --git a/nanoFramework.System.Text.RegularExpressions.nuspec b/nanoFramework.System.Text.RegularExpressions.nuspec
index 93275fe..cd8a6b3 100644
--- a/nanoFramework.System.Text.RegularExpressions.nuspec
+++ b/nanoFramework.System.Text.RegularExpressions.nuspec
@@ -19,9 +19,9 @@
     <tags>nanoFramework C# csharp netmf netnf regex</tags>
     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
-        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" />
+        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" />
         <dependency id="nanoFramework.System.Collections" version="2.0.0-preview.15" />
-        <dependency id="nanoFramework.System.Text" version="2.0.0-preview.23" />
+        <dependency id="nanoFramework.System.Text" version="2.0.0-preview.37" />
       </group>
     </dependencies>
   </metadata>
diff --git a/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj b/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj
index 9ecfa1a..8605344 100644
--- a/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj
+++ b/nanoFramework.System.Text.RegularExpressions/nanoFramework.System.text.RegularExpressions.nfproj
@@ -61,13 +61,13 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.52\lib\netnano1.0\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.63\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.15\lib\netnano1.0\nanoFramework.System.Collections.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.23\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.37\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/nanoFramework.System.Text.RegularExpressions/packages.config b/nanoFramework.System.Text.RegularExpressions/packages.config
index 51823ba..21abbd1 100644
--- a/nanoFramework.System.Text.RegularExpressions/packages.config
+++ b/nanoFramework.System.Text.RegularExpressions/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.63" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="2.0.0-preview.15" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Text" version="2.0.0-preview.23" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Text" version="2.0.0-preview.37" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.10.94" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.System.Text.RegularExpressions/packages.lock.json b/nanoFramework.System.Text.RegularExpressions/packages.lock.json
index 3cda287..55fa761 100644
--- a/nanoFramework.System.Text.RegularExpressions/packages.lock.json
+++ b/nanoFramework.System.Text.RegularExpressions/packages.lock.json
@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
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-        "resolved": "2.0.0-preview.52",
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+        "requested": "[2.0.0-preview.63, 2.0.0-preview.63]",
+        "resolved": "2.0.0-preview.63",
+        "contentHash": "M2qEbjY8Uh5jpgrqDD7vJf2YXk3CmGbTHkb/t6w4F/aNyetOYk0LyekdwUSF0kZ+gTNMH/y6CTHBbJfgtMbIeA=="
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@@ -16,9 +16,9 @@
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+        "requested": "[2.0.0-preview.37, 2.0.0-preview.37]",
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       },
       "Nerdbank.GitVersioning": {
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