diff --git a/src/custom-sort/matchers.ts b/src/custom-sort/matchers.ts
index 0163a6a..52154c9 100644
--- a/src/custom-sort/matchers.ts
+++ b/src/custom-sort/matchers.ts
@@ -8,7 +8,7 @@ export const NumberRegexStr: string = ' *(\\d+)';  // Plain number
 export const CompoundNumberDotRegexStr: string = ' *(\\d+(?:\\.\\d+)*)'; // Compound number with dot as separator
 export const CompoundNumberDashRegexStr: string = ' *(\\d+(?:-\\d+)*)'; // Compound number with dash as separator
 
-export const Date_dd_Mmm_yyyy_RegexStr: string = ' *[0-3]*[0-9]-{Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec}-\\d{4}'; // Date like 01-Jan-2020
+export const Date_dd_Mmm_yyyy_RegexStr: string = ' *[0-3]*[0-9]-(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-\\d{4}'; // Date like 01-Jan-2020
 
 export const DOT_SEPARATOR = '.'
 export const DASH_SEPARATOR = '-'
diff --git a/src/custom-sort/sorting-spec-processor.ts b/src/custom-sort/sorting-spec-processor.ts
index d7298a5..537dcc1 100644
--- a/src/custom-sort/sorting-spec-processor.ts
+++ b/src/custom-sort/sorting-spec-processor.ts
@@ -498,7 +498,7 @@ const sortingSymbolToRegexpStr: { [key: string]: RegExpSpecStr } = {
 	[Date_dd_Mmm_yyyy_RegexSymbol]: { // Intentionally retain character case
 		regexpStr: Date_dd_Mmm_yyyy_RegexStr,
 		normalizerFn: Date_dd_Mmm_yyyy_NormalizerFn,
-		advancedRegexType: AdvancedRegexType.RomanNumber
+		advancedRegexType: AdvancedRegexType.Date_dd_Mmm_yyyy
 	}
 }
 
diff --git a/src/test/unit/sorting-spec-processor.spec.ts b/src/test/unit/sorting-spec-processor.spec.ts
index b68d0ee..81a80dc 100644
--- a/src/test/unit/sorting-spec-processor.spec.ts
+++ b/src/test/unit/sorting-spec-processor.spec.ts
@@ -4,7 +4,7 @@ import {
 	CompoundDotNumberNormalizerFn,
 	ConsumedFolderMatchingRegexp,
 	consumeFolderByRegexpExpression,
-	convertPlainStringToRegex,
+	convertPlainStringToRegex, Date_dd_Mmm_yyyy_NormalizerFn,
 	detectSortingSymbols,
 	escapeRegexUnsafeCharacters,
 	extractSortingSymbol,
@@ -404,11 +404,17 @@ const expectedSortSpecsExampleSortingSymbols: { [key: string]: CustomSortSpec }
 				regex: /^(\p{Letter}+)\. is for any modern language word$/iu,
 				normalizerFn: IdentityNormalizerFn
 			}
+		}, {
+			type: CustomSortGroupType.ExactName,
+			regexPrefix: {
+				regex: /^ *[0-3]*[0-9]-(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-\d{4} for the specific date format of 12\-Apr\-2024$/i,
+				normalizerFn: Date_dd_Mmm_yyyy_NormalizerFn
+			}
 		}, {
 			type: CustomSortGroupType.Outsiders
 		}],
 		targetFoldersPaths: ['mock-folder'],
-		outsidersGroupIdx: 7
+		outsidersGroupIdx: 8
 	}
 }
 
@@ -420,6 +426,7 @@ Plain syntax\\R+ ... works?
 And this kind of... \\D+plain syntax???
 Here goes ASCII word \\a+
 \\A+. is for any modern language word
+\\[dd-Mmm-yyyy] for the specific date format of 12-Apr-2024
 `
 
 describe('SortingSpecProcessor', () => {
@@ -3141,6 +3148,7 @@ describe('hasMoreThanOneSortingSymbol', () => {
 		['\\-r+', false], ['--\\-r+--\\-D+++', true],
 		['\\d+abcd\\d+efgh', true],
 		['\\R+abcd\\.R+efgh', true],
+		['\\R+abcd\\[dd-Mmm-yyyy]', true],
 		['\\d+\\.D+\\-d+\\R+\\.r+\\-R+ \\d+', true]
 	])('should correctly detect in >%s< (%s) sorting regex symbols', (s: string, b: boolean) => {
 		const result = hasMoreThanOneSortingSymbol(s)