Add a utility functions library.

Mixins/Utils/Utils.cs

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+// The miscellaneous assortment of random methods that every lazy programmer
+// inevitably creates.
+//
+// Do not rely on any of these functions hanging around long-term!
+// See https://www.jeromethibaud.com/en/blog/utils-considered-harmful/ for why;
+// when we're feeling less lazy these will probably get refactored, but this is
+// just a fun personal project so, for now, YOLO.
+
+using Sandbox.ModAPI.Ingame;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+
+namespace IngameScript
+{
+    partial class Program
+    {
+        public class Utils
+        {
+            public static List<IMyTerminalBlock> GetBlocksNameContains(
+                IMyGridTerminalSystem gridSystem,
+                string name)
+            {
+                List<IMyTerminalBlock> allBlocks = new List<IMyTerminalBlock>();
+                List<IMyTerminalBlock> result = new List<IMyTerminalBlock>();
+                gridSystem.GetBlocks(allBlocks);
+
+                foreach (IMyTerminalBlock block in allBlocks)
+                {
+                    if (block.CustomName.Contains(name)) result.Add(block);
+                }
+                return result;
+            }
+
+            public static void GetBlocksOfTypeNameContains<T>(
+                IMyGridTerminalSystem gridSystem,
+                List<T> result,
+                string name)
+                where T : class
+            {
+                List<T> allBlocks = new List<T>();
+                gridSystem.GetBlocksOfType(allBlocks);
+
+                foreach (T block in allBlocks)
+                {
+                    if (((IMyTerminalBlock)block).CustomName.Contains(name)) result.Add(block);
+                }
+            }
+
+            public static string ExtractTag(IMyTerminalBlock block, string tag)
+            {
+                Regex r = new Regex($@"({tag}\w*?)\s");
+                Match m = r.Match(block.CustomName);
+                if (m.Success) return m.Groups[0].Captures[0].ToString();
+                return "";
+            }
+        }
+    }
+}

Mixins/Utils/Utils.projitems

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+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <MSBuildAllProjects Condition="'$(MSBuildVersion)' == '' Or '$(MSBuildVersion)' &lt; '16.0'">$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+    <HasSharedItems>true</HasSharedItems>
+    <SharedGUID>8a3cdcc5-4b55-4d87-a415-698a0e1ff06f</SharedGUID>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)/**/*.cs" Visible=" '$(ShowCommonFiles)' == 'true' " />
+  </ItemGroup>
+</Project>

Mixins/Utils/Utils.shproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+    <PropertyGroup Label="Globals">
+        <ProjectGuid>8a3cdcc5-4b55-4d87-a415-698a0e1ff06f</ProjectGuid>
+        <MinimumVisualStudioVersion>14.0</MinimumVisualStudioVersion>
+    </PropertyGroup>
+    <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')"/>
+    <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.Default.props"/>
+    <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.props"/>
+    <PropertyGroup/>
+    <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+      <OutputPath>bin\Debug\</OutputPath>
+    </PropertyGroup>
+    <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+      <OutputPath>bin\Release\</OutputPath>
+    </PropertyGroup>
+    <Import Project="Utils.projitems" Label="Shared"/>
+    <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.CSharp.targets"/>
+</Project>