diff --git a/src/pages/list/duplicate/duplicate.service.test.ts b/src/pages/list/duplicate/duplicate.service.test.ts
new file mode 100644
index 0000000..c1554e6
--- /dev/null
+++ b/src/pages/list/duplicate/duplicate.service.test.ts
@@ -0,0 +1,62 @@
+import { expect, describe, it } from 'vitest';
+import { duplicateList } from './service';
+
+describe('duplicateList function', () => {
+ it('should duplicate elements correctly with symbol split', () => {
+ const input = "Hello World";
+ const result = duplicateList('symbol', ' ', ' ', input, true, false, 2);
+ expect(result).toBe("Hello World Hello World");
+ });
+
+ it('should duplicate elements correctly with regex split', () => {
+ const input = "Hello||World";
+ const result = duplicateList('regex', '\\|\\|', ' ', input, true, false, 2);
+ expect(result).toBe("Hello World Hello World");
+ });
+
+ it('should handle fractional duplication', () => {
+ const input = "Hello World";
+ const result = duplicateList('symbol', ' ', ' ', input, true, false, 1.5);
+ expect(result).toBe("Hello World Hello");
+ });
+
+ it('should handle reverse option correctly', () => {
+ const input = "Hello World";
+ const result = duplicateList('symbol', ' ', ' ', input, true, true, 2);
+ expect(result).toBe("Hello World World Hello");
+ });
+
+ it('should handle concatenate option correctly', () => {
+ const input = "Hello World";
+ const result = duplicateList('symbol', ' ', ' ', input, false, false, 2);
+ expect(result).toBe("Hello Hello World World");
+ });
+
+ it('should handle interweaving option correctly', () => {
+ const input = "Hello World";
+ const result = duplicateList('symbol', ' ', ' ', input, false, false, 2);
+ expect(result).toBe("Hello Hello World World");
+ });
+
+ it('should throw an error for negative copies', () => {
+ expect(() => duplicateList('symbol', ' ', ' ', "Hello World", true, false, -1)).toThrow("Number of copies cannot be negative");
+ });
+
+ it('should handle interweaving option correctly 2', () => {
+ const input = "je m'appelle king";
+ const result = duplicateList('symbol', ' ', ', ', input, false, true, 2.1);
+ expect(result).toBe("je, king, m'appelle, m'appelle, king, je");
+ });
+
+ it('should handle interweaving option correctly 3', () => {
+ const input = "je m'appelle king";
+ const result = duplicateList('symbol', ' ', ', ', input, false, true, 1);
+ expect(result).toBe("je, m'appelle, king");
+ });
+
+ it('should handle interweaving option correctly 3', () => {
+ const input = "je m'appelle king";
+ const result = duplicateList('symbol', ' ', ', ', input, true, true, 2.7);
+ expect(result).toBe("je, m'appelle, king, king, m'appelle, je, king, m'appelle");
+ });
+});
\ No newline at end of file
diff --git a/src/pages/list/duplicate/index.tsx b/src/pages/list/duplicate/index.tsx
new file mode 100644
index 0000000..c833d45
--- /dev/null
+++ b/src/pages/list/duplicate/index.tsx
@@ -0,0 +1,11 @@
+import { Box } from '@mui/material';
+import React from 'react';
+import * as Yup from 'yup';
+
+const initialValues = {};
+const validationSchema = Yup.object({
+ // splitSeparator: Yup.string().required('The separator is required')
+});
+export default function Duplicate() {
+ return Lorem ipsum;
+}
\ No newline at end of file
diff --git a/src/pages/list/duplicate/meta.ts b/src/pages/list/duplicate/meta.ts
new file mode 100644
index 0000000..89f9fe1
--- /dev/null
+++ b/src/pages/list/duplicate/meta.ts
@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+// import image from '@assets/text.png';
+
+export const tool = defineTool('list', {
+ name: 'Duplicate',
+ path: 'duplicate',
+ // image,
+ description: '',
+ shortDescription: '',
+ keywords: ['duplicate'],
+ component: lazy(() => import('./index'))
+});
\ No newline at end of file
diff --git a/src/pages/list/duplicate/service.ts b/src/pages/list/duplicate/service.ts
new file mode 100644
index 0000000..c1c2bbd
--- /dev/null
+++ b/src/pages/list/duplicate/service.ts
@@ -0,0 +1,69 @@
+export type SplitOperatorType = 'symbol' | 'regex';
+
+function interweave(
+ array1: string[],
+ array2: string[]) {
+ const result: string[] = [];
+ const maxLength = Math.max(array1.length, array2.length);
+
+ for (let i = 0; i < maxLength; i++) {
+ if (i < array1.length) result.push(array1[i]);
+ if (i < array2.length) result.push(array2[i]);
+ }
+ return result;
+}
+function duplicate(
+ input: string[],
+ concatenate: boolean,
+ reverse: boolean,
+ copy?: number
+) {
+ if (copy) {
+ if (copy > 0) {
+ let result: string[] = [];
+ let toAdd: string[] = [];
+ let WholePart: string[] = [];
+ let fractionalPart: string[] = [];
+ const whole = Math.floor(copy);
+ const fractional = copy - whole;
+ if (!reverse) {
+ WholePart = concatenate ? Array(whole).fill(input).flat() : Array(whole - 1).fill(input).flat();
+ fractionalPart = input.slice(0, Math.floor(input.length * fractional));
+ toAdd = WholePart.concat(fractionalPart);
+ result = concatenate ? WholePart.concat(fractionalPart) : interweave(input, toAdd);
+ } else {
+ WholePart = Array(whole - 1).fill(input).flat().reverse()
+ fractionalPart = input.slice().reverse().slice(0, Math.floor(input.length * fractional));
+ toAdd = WholePart.concat(fractionalPart);
+ result = concatenate ? input.concat(toAdd) : interweave(input, toAdd);
+ }
+
+ return result;
+ }
+ throw new Error("Number of copies cannot be negative");
+ }
+ throw new Error("Number of copies must be a valid number");
+}
+
+export function duplicateList(
+ splitOperatorType: SplitOperatorType,
+ splitSeparator: string,
+ joinSeparator: string,
+ input: string,
+ concatenate: boolean,
+ reverse: boolean,
+ copy?: number
+): string {
+ let array: string[];
+ let result: string[];
+ switch (splitOperatorType) {
+ case 'symbol':
+ array = input.split(splitSeparator);
+ break;
+ case 'regex':
+ array = input.split(new RegExp(splitSeparator)).filter(item => item !== '');
+ break;
+ }
+ result = duplicate(array, concatenate, reverse, copy);
+ return result.join(joinSeparator);
+}
\ No newline at end of file
diff --git a/src/pages/list/index.ts b/src/pages/list/index.ts
index 3b54fac..21fa55b 100644
--- a/src/pages/list/index.ts
+++ b/src/pages/list/index.ts
@@ -1,3 +1,4 @@
+import { tool as listDuplicate } from './duplicate/meta';
import { tool as listUnwrap } from './unwrap/meta';
import { tool as listReverse } from './reverse/meta';
import { tool as listFindUnique } from './find-unique/meta';
diff --git a/src/pages/string/create-palindrome/create-palindrome.service.test.ts b/src/pages/string/create-palindrome/create-palindrome.service.test.ts
new file mode 100644
index 0000000..ddd712b
--- /dev/null
+++ b/src/pages/string/create-palindrome/create-palindrome.service.test.ts
@@ -0,0 +1,66 @@
+import { expect, describe, it } from 'vitest';
+ import { createPalindromeList, createPalindrome } from './service';
+
+describe('createPalindrome', () => {
+ test('should create palindrome by reversing the entire string', () => {
+ const input = 'hello';
+ const result = createPalindrome(input, true);
+ expect(result).toBe('helloolleh');
+ });
+
+ test('should create palindrome by reversing the string excluding the last character', () => {
+ const input = 'hello';
+ const result = createPalindrome(input, false);
+ expect(result).toBe('hellolleh');
+ });
+
+ test('should return an empty string if input is empty', () => {
+ const input = '';
+ const result = createPalindrome(input, true);
+ expect(result).toBe('');
+ });
+});
+
+describe('createPalindromeList', () => {
+ test('should create palindrome for single-line input', () => {
+ const input = 'hello';
+ const result = createPalindromeList(input, true, false);
+ expect(result).toBe('helloolleh');
+ });
+
+ test('should create palindrome for single-line input considering trailing spaces', () => {
+ const input = 'hello ';
+ const result = createPalindromeList(input, true, false);
+ expect(result).toBe('hello olleh');
+ });
+
+ test('should create palindrome for single-line input ignoring trailing spaces if lastChar is set to false', () => {
+ const input = 'hello ';
+ const result = createPalindromeList(input, true, false);
+ expect(result).toBe('hello olleh');
+ });
+
+ test('should create palindrome for multi-line input', () => {
+ const input = 'hello\nworld';
+ const result = createPalindromeList(input, true, true);
+ expect(result).toBe('helloolleh\nworlddlrow');
+ });
+
+ test('should create palindrome for no multi-line input', () => {
+ const input = 'hello\nworld\n';
+ const result = createPalindromeList(input, true, false);
+ expect(result).toBe('hello\nworld\n\ndlrow\nolleh');
+ });
+
+ test('should handle multi-line input with lastChar set to false', () => {
+ const input = 'hello\nworld';
+ const result = createPalindromeList(input, false, true);
+ expect(result).toBe('hellolleh\nworldlrow');
+ });
+
+ test('should return an empty string if input is empty', () => {
+ const input = '';
+ const result = createPalindromeList(input, true, false);
+ expect(result).toBe('');
+ });
+});
\ No newline at end of file
diff --git a/src/pages/string/create-palindrome/index.tsx b/src/pages/string/create-palindrome/index.tsx
new file mode 100644
index 0000000..da75227
--- /dev/null
+++ b/src/pages/string/create-palindrome/index.tsx
@@ -0,0 +1,11 @@
+import { Box } from '@mui/material';
+import React from 'react';
+import * as Yup from 'yup';
+
+const initialValues = {};
+const validationSchema = Yup.object({
+ // splitSeparator: Yup.string().required('The separator is required')
+});
+export default function CreatePalindrome() {
+ return Lorem ipsum;
+}
\ No newline at end of file
diff --git a/src/pages/string/create-palindrome/meta.ts b/src/pages/string/create-palindrome/meta.ts
new file mode 100644
index 0000000..5b21620
--- /dev/null
+++ b/src/pages/string/create-palindrome/meta.ts
@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+// import image from '@assets/text.png';
+
+export const tool = defineTool('string', {
+ name: 'Create palindrome',
+ path: 'create-palindrome',
+ // image,
+ description: '',
+ shortDescription: '',
+ keywords: ['create', 'palindrome'],
+ component: lazy(() => import('./index'))
+});
\ No newline at end of file
diff --git a/src/pages/string/create-palindrome/service.ts b/src/pages/string/create-palindrome/service.ts
new file mode 100644
index 0000000..1f87c6d
--- /dev/null
+++ b/src/pages/string/create-palindrome/service.ts
@@ -0,0 +1,35 @@
+import { reverseString } from 'utils/string'
+
+export function createPalindrome(
+ input: string,
+ lastChar: boolean // only checkbox is need here to handle it [instead of two combo boxes]
+) {
+ if (!input) return '';
+ let result: string;
+ let reversedString: string;
+
+ // reverse the whole input if lastChar enabled
+ reversedString = lastChar ? reverseString(input) : reverseString(input.slice(0, -1));
+ result = input.concat(reversedString);
+ return result;
+}
+
+export function createPalindromeList(
+ input: string,
+ lastChar: boolean,
+ multiLine: boolean
+): string {
+ if (!input) return '';
+ let array: string[];
+ let result: string[] = [];
+
+ if (!multiLine) return createPalindrome(input, lastChar);
+ else {
+ array = input.split('\n');
+ for (const word of array) {
+ result.push(createPalindrome(word, lastChar));
+ }
+ }
+ return result.join('\n');
+
+}
\ No newline at end of file
diff --git a/src/pages/string/extract-substring/extract-substring.service.test.ts b/src/pages/string/extract-substring/extract-substring.service.test.ts
new file mode 100644
index 0000000..ecacc55
--- /dev/null
+++ b/src/pages/string/extract-substring/extract-substring.service.test.ts
@@ -0,0 +1,57 @@
+import { expect, describe, it } from 'vitest';
+import { extractSubstring } from './service';
+
+describe('extractSubstring', () => {
+ it('should extract a substring from single-line input', () => {
+ const input = 'hello world';
+ const result = extractSubstring(input, 1, 4, false, false);
+ expect(result).toBe('hell');
+ });
+
+ it('should extract and reverse a substring from single-line input', () => {
+ const input = 'hello world';
+ const result = extractSubstring(input, 1, 5, false, true);
+ expect(result).toBe('olleh');
+ });
+
+ it('should extract substrings from multi-line input', () => {
+ const input = 'hello\nworld';
+ const result = extractSubstring(input, 1, 5, true, false);
+ expect(result).toBe('hello\nworld');
+ });
+
+ it('should extract and reverse substrings from multi-line input', () => {
+ const input = 'hello\nworld';
+ const result = extractSubstring(input, 1, 4, true, true);
+ expect(result).toBe('lleh\nlrow');
+ });
+
+ it('should handle empty input', () => {
+ const input = '';
+ const result = extractSubstring(input, 1, 5, false, false);
+ expect(result).toBe('');
+ });
+
+ it('should handle start and length out of bounds', () => {
+ const input = 'hello';
+ const result = extractSubstring(input, 10, 5, false, false);
+ expect(result).toBe('');
+ });
+
+ it('should handle negative start and length', () => {
+ expect(() => extractSubstring('hello', -1, 5, false, false)).toThrow("Start index must be greater than zero.");
+ expect(() => extractSubstring('hello', 1, -5, false, false)).toThrow("Length value must be greater than or equal to zero.");
+ });
+
+ it('should handle zero length', () => {
+ const input = 'hello';
+ const result = extractSubstring(input, 1, 0, false, false);
+ expect(result).toBe('');
+ });
+
+ it('should work', () => {
+ const input = 'je me nomme king\n22 est mon chiffre';
+ const result = extractSubstring(input, 12, 7, true, false);
+ expect(result).toBe(' king\nchiffre');
+ });
+});
\ No newline at end of file
diff --git a/src/pages/string/extract-substring/index.tsx b/src/pages/string/extract-substring/index.tsx
new file mode 100644
index 0000000..be249e8
--- /dev/null
+++ b/src/pages/string/extract-substring/index.tsx
@@ -0,0 +1,11 @@
+import { Box } from '@mui/material';
+import React from 'react';
+import * as Yup from 'yup';
+
+const initialValues = {};
+const validationSchema = Yup.object({
+ // splitSeparator: Yup.string().required('The separator is required')
+});
+export default function ExtractSubstring() {
+ return Lorem ipsum;
+}
\ No newline at end of file
diff --git a/src/pages/string/extract-substring/meta.ts b/src/pages/string/extract-substring/meta.ts
new file mode 100644
index 0000000..30e8f74
--- /dev/null
+++ b/src/pages/string/extract-substring/meta.ts
@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+// import image from '@assets/text.png';
+
+export const tool = defineTool('string', {
+ name: 'Extract substring',
+ path: 'extract-substring',
+ // image,
+ description: '',
+ shortDescription: '',
+ keywords: ['extract', 'substring'],
+ component: lazy(() => import('./index'))
+});
\ No newline at end of file
diff --git a/src/pages/string/extract-substring/service.ts b/src/pages/string/extract-substring/service.ts
new file mode 100644
index 0000000..c06a10f
--- /dev/null
+++ b/src/pages/string/extract-substring/service.ts
@@ -0,0 +1,36 @@
+import { reverseString } from 'utils/string'
+
+export function extractSubstring(
+ input: string,
+ start: number,
+ length: number,
+ multiLine: boolean,
+ reverse: boolean
+): string {
+ if (!input) return '';
+ // edge Cases
+ if (start <= 0) throw new Error("Start index must be greater than zero.");
+ if (length < 0) throw new Error("Length value must be greater than or equal to zero.");
+ if (length === 0) return '';
+
+ let array: string[];
+ let result: string[] = [];
+
+ const extract = (str: string, start: number, length: number): string => {
+ const end = start - 1 + length;
+ if (start - 1 >= str.length) return '';
+ return str.substring(start - 1, Math.min(end, str.length));
+ };
+
+ if (!multiLine) {
+ result.push(extract(input, start, length));
+ }
+ else {
+ array = input.split('\n');
+ for (const word of array) {
+ result.push(extract(word, start, length));
+ }
+ }
+ result = reverse ? result.map(word => reverseString(word)) : result;
+ return result.join('\n');
+}
\ No newline at end of file
diff --git a/src/pages/string/index.ts b/src/pages/string/index.ts
index 3011347..f7eed37 100644
--- a/src/pages/string/index.ts
+++ b/src/pages/string/index.ts
@@ -1,3 +1,9 @@
+import { tool as stringReverse } from './reverse/meta';
+import { tool as stringRandomizeCase } from './randomize-case/meta';
+import { tool as stringUppercase } from './uppercase/meta';
+import { tool as stringExtractSubstring } from './extract-substring/meta';
+import { tool as stringCreatePalindrome } from './create-palindrome/meta';
+import { tool as stringPalindrome } from './palindrome/meta';
import { tool as stringToMorse } from './to-morse/meta';
import { tool as stringSplit } from './split/meta';
import { tool as stringJoin } from './join/meta';
diff --git a/src/pages/string/palindrome/index.tsx b/src/pages/string/palindrome/index.tsx
new file mode 100644
index 0000000..a7104cb
--- /dev/null
+++ b/src/pages/string/palindrome/index.tsx
@@ -0,0 +1,11 @@
+import { Box } from '@mui/material';
+import React from 'react';
+import * as Yup from 'yup';
+
+const initialValues = {};
+const validationSchema = Yup.object({
+ // splitSeparator: Yup.string().required('The separator is required')
+});
+export default function Palindrome() {
+ return Lorem ipsum;
+}
\ No newline at end of file
diff --git a/src/pages/string/palindrome/meta.ts b/src/pages/string/palindrome/meta.ts
new file mode 100644
index 0000000..868cff3
--- /dev/null
+++ b/src/pages/string/palindrome/meta.ts
@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+// import image from '@assets/text.png';
+
+export const tool = defineTool('string', {
+ name: 'Palindrome',
+ path: 'palindrome',
+ // image,
+ description: '',
+ shortDescription: '',
+ keywords: ['palindrome'],
+ component: lazy(() => import('./index'))
+});
\ No newline at end of file
diff --git a/src/pages/string/palindrome/palindrome.service.test.ts b/src/pages/string/palindrome/palindrome.service.test.ts
new file mode 100644
index 0000000..10d5f2e
--- /dev/null
+++ b/src/pages/string/palindrome/palindrome.service.test.ts
@@ -0,0 +1,60 @@
+import { expect, describe, it } from 'vitest';
+import { palindromeList } from './service';
+
+describe('palindromeList', () => {
+ test('should return true for single character words', () => {
+ const input = 'a|b|c';
+ const separator = '|';
+ const result = palindromeList('symbol', input, separator);
+ expect(result).toBe('true|true|true');
+ });
+
+ test('should return false for non-palindromes', () => {
+ const input = 'hello|world';
+ const separator = '|';
+ const result = palindromeList('symbol', input, separator);
+ expect(result).toBe('false|false');
+ });
+
+ test('should split using regex', () => {
+ const input = 'racecar,abba,hello';
+ const separator = ',';
+ const result = palindromeList('regex', input, separator);
+ expect(result).toBe('true,true,false');
+ });
+
+ test('should return empty string for empty input', () => {
+ const input = '';
+ const separator = '|';
+ const result = palindromeList('symbol', input, separator);
+ expect(result).toBe('');
+ });
+
+ test('should split using custom separator', () => {
+ const input = 'racecar;abba;hello';
+ const separator = ';';
+ const result = palindromeList('symbol', input, separator);
+ expect(result).toBe('true;true;false');
+ });
+
+ test('should handle leading and trailing spaces', () => {
+ const input = ' racecar | abba | hello ';
+ const separator = '|';
+ const result = palindromeList('symbol', input, separator);
+ expect(result).toBe('true|true|false');
+ });
+
+ test('should handle multilines checking with trimming', () => {
+ const input = ' racecar \n abba \n hello ';
+ const separator = '\n';
+ const result = palindromeList('symbol', input, separator);
+ expect(result).toBe('true\ntrue\nfalse');
+ });
+
+ test('should handle empty strings in input', () => {
+ const input = 'racecar||hello';
+ const separator = '|';
+ const result = palindromeList('symbol', input, separator);
+ expect(result).toBe('true|true|false');
+ });
+});
\ No newline at end of file
diff --git a/src/pages/string/palindrome/service.ts b/src/pages/string/palindrome/service.ts
new file mode 100644
index 0000000..e383fd4
--- /dev/null
+++ b/src/pages/string/palindrome/service.ts
@@ -0,0 +1,47 @@
+export type SplitOperatorType = 'symbol' | 'regex';
+
+function isPalindrome(
+ word: string,
+ left: number,
+ right: number
+): boolean {
+ if (left >= right) return true;
+ if (word[left] !== word[right]) return false;
+
+ return isPalindrome(word, left + 1, right - 1);
+}
+
+// check each word of the input and add the palindrome status in an array
+function checkPalindromes(array: string[]): boolean[] {
+ let status: boolean[] = [];
+ for (const word of array) {
+ const palindromeStatus = isPalindrome(word, 0, word.length - 1);
+ status.push(palindromeStatus);
+ }
+ return status;
+}
+
+export function palindromeList(
+ splitOperatorType: SplitOperatorType,
+ input: string,
+ separator: string, // the splitting separator will be the joining separator for visual satisfaction
+): string {
+ if (!input) return '';
+ let array: string[];
+ switch (splitOperatorType) {
+ case 'symbol':
+ array = input.split(separator);
+ break;
+ case 'regex':
+ array = input.split(new RegExp(separator));
+ break;
+ }
+ // trim all items to focus on the word and not biasing the result due to spaces (leading and trailing)
+ array = array.map((item) => item.trim());
+
+ const statusArray = checkPalindromes(array);
+
+ return statusArray.map(status => status.toString()).join(separator);
+
+}
+
diff --git a/src/pages/string/randomize-case/index.tsx b/src/pages/string/randomize-case/index.tsx
new file mode 100644
index 0000000..fbb7733
--- /dev/null
+++ b/src/pages/string/randomize-case/index.tsx
@@ -0,0 +1,11 @@
+import { Box } from '@mui/material';
+import React from 'react';
+import * as Yup from 'yup';
+
+const initialValues = {};
+const validationSchema = Yup.object({
+ // splitSeparator: Yup.string().required('The separator is required')
+});
+export default function RandomizeCase() {
+ return Lorem ipsum;
+}
\ No newline at end of file
diff --git a/src/pages/string/randomize-case/meta.ts b/src/pages/string/randomize-case/meta.ts
new file mode 100644
index 0000000..be2da07
--- /dev/null
+++ b/src/pages/string/randomize-case/meta.ts
@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+// import image from '@assets/text.png';
+
+export const tool = defineTool('string', {
+ name: 'Randomize case',
+ path: 'randomize-case',
+ // image,
+ description: '',
+ shortDescription: '',
+ keywords: ['randomize', 'case'],
+ component: lazy(() => import('./index'))
+});
\ No newline at end of file
diff --git a/src/pages/string/randomize-case/randomize-case.service.test.ts b/src/pages/string/randomize-case/randomize-case.service.test.ts
new file mode 100644
index 0000000..7e44a7a
--- /dev/null
+++ b/src/pages/string/randomize-case/randomize-case.service.test.ts
@@ -0,0 +1,48 @@
+import { expect, describe, it } from 'vitest';
+import { randomizeCase } from './service';
+
+describe('randomizeCase', () => {
+ it('should randomize the case of each character in the string', () => {
+ const input = 'hello world';
+ const result = randomizeCase(input);
+
+ // Ensure the output length is the same
+ expect(result).toHaveLength(input.length);
+
+ // Ensure each character in the input string appears in the result
+ for (let i = 0; i < input.length; i++) {
+ const inputChar = input[i];
+ const resultChar = result[i];
+
+ if (/[a-zA-Z]/.test(inputChar)) {
+ expect([inputChar.toLowerCase(), inputChar.toUpperCase()]).toContain(resultChar);
+ } else {
+ expect(inputChar).toBe(resultChar);
+ }
+ }
+ });
+
+ it('should handle an empty string', () => {
+ const input = '';
+ const result = randomizeCase(input);
+ expect(result).toBe('');
+ });
+
+ it('should handle a string with numbers and symbols', () => {
+ const input = '123 hello! @world';
+ const result = randomizeCase(input);
+
+ // Ensure the output length is the same
+ expect(result).toHaveLength(input.length);
+
+ // Ensure numbers and symbols remain unchanged
+ for (let i = 0; i < input.length; i++) {
+ const inputChar = input[i];
+ const resultChar = result[i];
+
+ if (!/[a-zA-Z]/.test(inputChar)) {
+ expect(inputChar).toBe(resultChar);
+ }
+ }
+ });
+});
\ No newline at end of file
diff --git a/src/pages/string/randomize-case/service.ts b/src/pages/string/randomize-case/service.ts
new file mode 100644
index 0000000..a6f6860
--- /dev/null
+++ b/src/pages/string/randomize-case/service.ts
@@ -0,0 +1,6 @@
+export function randomizeCase(input: string): string {
+ return input
+ .split('')
+ .map(char => (Math.random() < 0.5 ? char.toLowerCase() : char.toUpperCase()))
+ .join('');
+}
\ No newline at end of file
diff --git a/src/pages/string/reverse/index.tsx b/src/pages/string/reverse/index.tsx
new file mode 100644
index 0000000..e017afe
--- /dev/null
+++ b/src/pages/string/reverse/index.tsx
@@ -0,0 +1,11 @@
+import { Box } from '@mui/material';
+import React from 'react';
+import * as Yup from 'yup';
+
+const initialValues = {};
+const validationSchema = Yup.object({
+ // splitSeparator: Yup.string().required('The separator is required')
+});
+export default function Reverse() {
+ return Lorem ipsum;
+}
\ No newline at end of file
diff --git a/src/pages/string/reverse/meta.ts b/src/pages/string/reverse/meta.ts
new file mode 100644
index 0000000..886b604
--- /dev/null
+++ b/src/pages/string/reverse/meta.ts
@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+// import image from '@assets/text.png';
+
+export const tool = defineTool('string', {
+ name: 'Reverse',
+ path: 'reverse',
+ // image,
+ description: '',
+ shortDescription: '',
+ keywords: ['reverse'],
+ component: lazy(() => import('./index'))
+});
\ No newline at end of file
diff --git a/src/pages/string/reverse/reverse.service.test.ts b/src/pages/string/reverse/reverse.service.test.ts
new file mode 100644
index 0000000..0e6ed45
--- /dev/null
+++ b/src/pages/string/reverse/reverse.service.test.ts
@@ -0,0 +1,52 @@
+import { expect, describe, it } from 'vitest';
+import { stringReverser } from './service';
+
+describe('stringReverser', () => {
+ it('should reverse a single-line string', () => {
+ const input = 'hello world';
+ const result = stringReverser(input, false, false, false);
+ expect(result).toBe('dlrow olleh');
+ });
+
+ it('should reverse each line in a multi-line string', () => {
+ const input = 'hello\nworld';
+ const result = stringReverser(input, true, false, false);
+ expect(result).toBe('olleh\ndlrow');
+ });
+
+ it('should remove empty items if emptyItems is true', () => {
+ const input = 'hello\n\nworld';
+ const result = stringReverser(input, true, true, false);
+ expect(result).toBe('olleh\ndlrow');
+ });
+
+ it('should trim each line if trim is true', () => {
+ const input = ' hello \n world ';
+ const result = stringReverser(input, true, false, true);
+ expect(result).toBe('olleh\ndlrow');
+ });
+
+ it('should handle empty input', () => {
+ const input = '';
+ const result = stringReverser(input, false, false, false);
+ expect(result).toBe('');
+ });
+
+ it('should handle a single line with emptyItems and trim', () => {
+ const input = ' hello world ';
+ const result = stringReverser(input, false, true, true);
+ expect(result).toBe('dlrow olleh');
+ });
+
+ it('should handle a single line with emptyItems and non trim', () => {
+ const input = ' hello world ';
+ const result = stringReverser(input, false, true, false);
+ expect(result).toBe(' dlrow olleh ');
+ });
+
+ it('should handle a multi line with emptyItems and non trim', () => {
+ const input = ' hello\n\n\n\nworld ';
+ const result = stringReverser(input, true, true, false);
+ expect(result).toBe('olleh \n dlrow');
+ });
+});
\ No newline at end of file
diff --git a/src/pages/string/reverse/service.ts b/src/pages/string/reverse/service.ts
new file mode 100644
index 0000000..c8c68a6
--- /dev/null
+++ b/src/pages/string/reverse/service.ts
@@ -0,0 +1,31 @@
+import { reverseString } from 'utils/string';
+
+export function stringReverser(
+ input: string,
+ multiLine: boolean,
+ emptyItems: boolean,
+ trim: boolean
+) {
+ let array: string[] = [];
+ let result: string[] = [];
+
+ // split the input in multiLine mode
+ if (multiLine) {
+ array = input.split('\n');
+ }
+ else {
+ array.push(input);
+ }
+
+ // handle empty items
+ if (emptyItems){
+ array = array.filter(Boolean);
+ }
+ // Handle trim
+ if (trim) {
+ array = array.map(line => line.trim());
+ }
+
+ result = array.map(element => reverseString(element));
+ return result.join('\n');
+}
\ No newline at end of file
diff --git a/src/pages/string/uppercase/index.tsx b/src/pages/string/uppercase/index.tsx
new file mode 100644
index 0000000..727cc03
--- /dev/null
+++ b/src/pages/string/uppercase/index.tsx
@@ -0,0 +1,11 @@
+import { Box } from '@mui/material';
+import React from 'react';
+import * as Yup from 'yup';
+
+const initialValues = {};
+const validationSchema = Yup.object({
+ // splitSeparator: Yup.string().required('The separator is required')
+});
+export default function Uppercase() {
+ return Lorem ipsum;
+}
\ No newline at end of file
diff --git a/src/pages/string/uppercase/meta.ts b/src/pages/string/uppercase/meta.ts
new file mode 100644
index 0000000..014f2cd
--- /dev/null
+++ b/src/pages/string/uppercase/meta.ts
@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+// import image from '@assets/text.png';
+
+export const tool = defineTool('string', {
+ name: 'Uppercase',
+ path: 'uppercase',
+ // image,
+ description: '',
+ shortDescription: '',
+ keywords: ['uppercase'],
+ component: lazy(() => import('./index'))
+});
\ No newline at end of file
diff --git a/src/pages/string/uppercase/service.ts b/src/pages/string/uppercase/service.ts
new file mode 100644
index 0000000..1ffc0fa
--- /dev/null
+++ b/src/pages/string/uppercase/service.ts
@@ -0,0 +1,3 @@
+export function UppercaseInput(input: string): string {
+ return input.toUpperCase();
+}
\ No newline at end of file
diff --git a/src/pages/string/uppercase/uppercase.service.test.ts b/src/pages/string/uppercase/uppercase.service.test.ts
new file mode 100644
index 0000000..6bb3f11
--- /dev/null
+++ b/src/pages/string/uppercase/uppercase.service.test.ts
@@ -0,0 +1,34 @@
+import { expect, describe, it } from 'vitest';
+import { UppercaseInput } from './service';
+
+describe('UppercaseInput', () => {
+ it('should convert a lowercase string to uppercase', () => {
+ const input = 'hello';
+ const result = UppercaseInput(input);
+ expect(result).toBe('HELLO');
+ });
+
+ it('should convert a mixed case string to uppercase', () => {
+ const input = 'HeLLo WoRLd';
+ const result = UppercaseInput(input);
+ expect(result).toBe('HELLO WORLD');
+ });
+
+ it('should convert an already uppercase string to uppercase', () => {
+ const input = 'HELLO';
+ const result = UppercaseInput(input);
+ expect(result).toBe('HELLO');
+ });
+
+ it('should handle an empty string', () => {
+ const input = '';
+ const result = UppercaseInput(input);
+ expect(result).toBe('');
+ });
+
+ it('should handle a string with numbers and symbols', () => {
+ const input = '123 hello! @world';
+ const result = UppercaseInput(input);
+ expect(result).toBe('123 HELLO! @WORLD');
+ });
+});
\ No newline at end of file
diff --git a/src/utils/string.ts b/src/utils/string.ts
index db558eb..f918364 100644
--- a/src/utils/string.ts
+++ b/src/utils/string.ts
@@ -16,3 +16,7 @@ export const replaceSpecialCharacters = (str: string) => {
.replace(/\\f/g, '\f')
.replace(/\\v/g, '\v');
};
+
+export function reverseString(input: string): string {
+ return input.split('').reverse().join('');
+}