Improves regex parsing performance

Adds RegexOptions.Compiled to static regex parsers to improve
performance.

Part of datemath feature.

Author: niemyjski

src/Exceptionless.DateTimeExtensions/FormatParsers/FormatParsers/ExplicitDateFormatParser.cs

@@ -7,7 +7,7 @@ namespace Exceptionless.DateTimeExtensions.FormatParsers;
 [Priority(30)]
 public class ExplicitDateFormatParser : IFormatParser
 {
-    private static readonly Regex _parser = new(@"^\s*(?<date>\d{4}-\d{2}-\d{2}(?:T(?:\d{2}\:\d{2}\:\d{2}(?:\.\d{3})?|\d{2}\:\d{2}|\d{2})Z?)?)\s*$");
+    private static readonly Regex _parser = new(@"^\s*(?<date>\d{4}-\d{2}-\d{2}(?:T(?:\d{2}\:\d{2}\:\d{2}(?:\.\d{3})?|\d{2}\:\d{2}|\d{2})Z?)?)\s*$", RegexOptions.Compiled);
 
     public DateTimeRange Parse(string content, DateTimeOffset relativeBaseTime)
     {

src/Exceptionless.DateTimeExtensions/FormatParsers/FormatParsers/MonthDayFormatParser.cs

@@ -6,7 +6,7 @@ namespace Exceptionless.DateTimeExtensions.FormatParsers;
 [Priority(50)]
 public class MonthDayFormatParser : IFormatParser
 {
-    private static readonly Regex _parser = new(@"^\s*(?<month>\d{2})-(?<day>\d{2})\s*$");
+    private static readonly Regex _parser = new(@"^\s*(?<month>\d{2})-(?<day>\d{2})\s*$", RegexOptions.Compiled);
 
     public DateTimeRange Parse(string content, DateTimeOffset relativeBaseTime)
     {

src/Exceptionless.DateTimeExtensions/FormatParsers/FormatParsers/MonthFormatParser.cs

@@ -6,7 +6,7 @@ namespace Exceptionless.DateTimeExtensions.FormatParsers;
 [Priority(60)]
 public class MonthFormatParser : MonthRelationFormatParser
 {
-    private static readonly Regex _parser = new(String.Format(@"^\s*(?<month>{0})\s*$", Helper.GetMonthNames()), RegexOptions.IgnoreCase);
+    private static readonly Regex _parser = new(String.Format(@"^\s*(?<month>{0})\s*$", Helper.GetMonthNames()), RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
     public override DateTimeRange Parse(string content, DateTimeOffset relativeBaseTime)
     {

src/Exceptionless.DateTimeExtensions/FormatParsers/FormatParsers/MonthRelationFormatParser.cs

@@ -6,7 +6,7 @@ namespace Exceptionless.DateTimeExtensions.FormatParsers;
 [Priority(40)]
 public class MonthRelationFormatParser : IFormatParser
 {
-    private static readonly Regex _parser = new(String.Format(@"^\s*(?<relation>{0})\s+(?<month>{1})\s*$", Helper.RelationNames, Helper.GetMonthNames()), RegexOptions.IgnoreCase);
+    private static readonly Regex _parser = new(String.Format(@"^\s*(?<relation>{0})\s+(?<month>{1})\s*$", Helper.RelationNames, Helper.GetMonthNames()), RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
     public virtual DateTimeRange Parse(string content, DateTimeOffset relativeBaseTime)
     {

src/Exceptionless.DateTimeExtensions/FormatParsers/FormatParsers/NamedDayFormatParser.cs

@@ -6,7 +6,7 @@ namespace Exceptionless.DateTimeExtensions.FormatParsers;
 [Priority(20)]
 public class NamedDayFormatParser : IFormatParser
 {
-    private static readonly Regex _parser = new(@"^\s*(?<name>today|yesterday|tomorrow)\s*$", RegexOptions.IgnoreCase);
+    private static readonly Regex _parser = new(@"^\s*(?<name>today|yesterday|tomorrow)\s*$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
     public DateTimeRange Parse(string content, DateTimeOffset relativeBaseTime)
     {

src/Exceptionless.DateTimeExtensions/FormatParsers/FormatParsers/PartParsers/AmountTimeRelationPartParser.cs

@@ -6,7 +6,7 @@ namespace Exceptionless.DateTimeExtensions.FormatParsers.PartParsers;
 [Priority(20)]
 public class AmountTimeRelationPartParser : IPartParser
 {
-    private static readonly Regex _parser = new(String.Format(@"\G(?<amount>\d+)\s+(?<size>{0})\s+(?<relation>ago|from now)", Helper.AllTimeNames), RegexOptions.IgnoreCase);
+    private static readonly Regex _parser = new(String.Format(@"\G(?<amount>\d+)\s+(?<size>{0})\s+(?<relation>ago|from now)", Helper.AllTimeNames), RegexOptions.Compiled | RegexOptions.IgnoreCase);
     public virtual Regex Regex => _parser;
 
     public virtual DateTimeOffset? Parse(Match match, DateTimeOffset relativeBaseTime, bool isUpperLimit)

src/Exceptionless.DateTimeExtensions/FormatParsers/FormatParsers/PartParsers/ExplicitDatePartParser.cs

@@ -7,7 +7,7 @@ namespace Exceptionless.DateTimeExtensions.FormatParsers.PartParsers;
 [Priority(50)]
 public class ExplicitDatePartParser : IPartParser
 {
-    private static readonly Regex _parser = new(@"\G(?<date>\d{4}-\d{2}-\d{2}(?:T(?:\d{2}\:\d{2}\:\d{2}(?:\.\d{3})?|\d{2}\:\d{2}|\d{2})Z?)?)");
+    private static readonly Regex _parser = new(@"\G(?<date>\d{4}-\d{2}-\d{2}(?:T(?:\d{2}\:\d{2}\:\d{2}(?:\.\d{3})?|\d{2}\:\d{2}|\d{2})Z?)?)", RegexOptions.Compiled);
     public Regex Regex => _parser;
 
     public DateTimeOffset? Parse(Match match, DateTimeOffset relativeBaseTime, bool isUpperLimit)

src/Exceptionless.DateTimeExtensions/FormatParsers/FormatParsers/PartParsers/MonthDayPartParser.cs

@@ -6,7 +6,7 @@ namespace Exceptionless.DateTimeExtensions.FormatParsers.PartParsers;
 [Priority(60)]
 public class MonthDayPartParser : IPartParser
 {
-    private static readonly Regex _parser = new(@"\G(?<month>\d{2})-(?<day>\d{2})");
+    private static readonly Regex _parser = new(@"\G(?<month>\d{2})-(?<day>\d{2})", RegexOptions.Compiled);
     public Regex Regex => _parser;
 
     public DateTimeOffset? Parse(Match match, DateTimeOffset relativeBaseTime, bool isUpperLimit)

src/Exceptionless.DateTimeExtensions/FormatParsers/FormatParsers/PartParsers/MonthPartParser.cs

@@ -6,7 +6,7 @@ namespace Exceptionless.DateTimeExtensions.FormatParsers.PartParsers;
 [Priority(40)]
 public class MonthPartParser : MonthRelationPartParser
 {
-    private static readonly Regex _parser = new(String.Format(@"\G(?<month>{0})", Helper.GetMonthNames()), RegexOptions.IgnoreCase);
+    private static readonly Regex _parser = new(String.Format(@"\G(?<month>{0})", Helper.GetMonthNames()), RegexOptions.Compiled | RegexOptions.IgnoreCase);
     public override Regex Regex => _parser;
 
     public override DateTimeOffset? Parse(Match match, DateTimeOffset relativeBaseTime, bool isUpperLimit)

src/Exceptionless.DateTimeExtensions/FormatParsers/FormatParsers/PartParsers/MonthRelationPartParser.cs

@@ -6,7 +6,7 @@ namespace Exceptionless.DateTimeExtensions.FormatParsers.PartParsers;
 [Priority(30)]
 public class MonthRelationPartParser : IPartParser
 {
-    private static readonly Regex _parser = new(String.Format(@"\G(?<relation>{0})\s+(?<month>{1})", Helper.RelationNames, Helper.GetMonthNames()), RegexOptions.IgnoreCase);
+    private static readonly Regex _parser = new(String.Format(@"\G(?<relation>{0})\s+(?<month>{1})", Helper.RelationNames, Helper.GetMonthNames()), RegexOptions.Compiled | RegexOptions.IgnoreCase);
     public virtual Regex Regex => _parser;
 
     public virtual DateTimeOffset? Parse(Match match, DateTimeOffset relativeBaseTime, bool isUpperLimit)