Item TplGenerator pass 1

SptCommon/Extensions/StringExtensions.cs

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+using System.Text.RegularExpressions;
+
+namespace SptCommon.Extensions;
+
+public static class StringExtensions
+{
+    private static readonly Dictionary<string, Regex> RegexCache = new();
+    private static readonly object RegexCacheLock = new();
+
+    public static string RegexReplace(this string source, string regexString, string newValue)
+    {
+        Regex regex;
+        lock (RegexCacheLock)
+        {
+            if (!RegexCache.TryGetValue(regexString, out regex))
+            {
+                regex = new Regex(regexString);
+                RegexCache[regexString] = regex;
+            }
+        }
+        return regex.Replace(source, newValue);
+    }
+    
+    public static bool RegexMatch(this string source, string regexString, out Match? matchedString)
+    {
+        Regex regex;
+        lock (RegexCacheLock)
+        {
+            if (!RegexCache.TryGetValue(regexString, out regex))
+            {
+                regex = new Regex(regexString);
+                RegexCache[regexString] = regex;
+            }
+        }
+
+        matchedString = null;
+        if (!regex.IsMatch(source))
+            return false;
+        matchedString = regex.Match(source);
+        return true;
+    }
+}