Added regex category, and few case change snippets in string manipulation JavaScript.

public/data/javascript.json

@@ -218,6 +218,62 @@
         "tags": ["string", "case", "snake_case"],
         "author": "axorax"
       },
+      {
+        "title": "Convert String to Camel Case",
+        "description": "Converts a given string into camelCase.",
+        "code": [
+          "function toCamelCase(str) {",
+          "  return str.replace(/\\W+(.)/g, (match, chr) => chr.toUpperCase());",
+          "}",
+          "",
+          "// Example usage:",
+          "console.log(toCamelCase('hello world test')); // Output: 'helloWorldTest'"
+        ],
+        "tags": ["string", "case", "camelCase"],
+        "author": "aumirza"
+      },
+            {
+        "title": "Convert String to Title Case",
+        "description": "Converts a given string into Title Case.",
+        "code": [
+          "function toTitleCase(str) {",
+          "  return str.toLowerCase().replace(/\\b\\w/g, (s) => s.toUpperCase());",
+          "}",
+          "",
+          "// Example usage:",
+          "console.log(toTitleCase('hello world test')); // Output: 'Hello World Test'"
+        ],
+        "tags": ["string", "case", "titleCase"],
+        "author": "aumirza"
+      },
+            {
+        "title": "Convert String to Pascal Case",
+        "description": "Converts a given string into Pascal Case.",
+        "code": [
+          "function toPascalCase(str) {",
+          "  return str.replace(/\\b\\w/g, (s) => s.toUpperCase()).replace(/\\W+(.)/g, (match, chr) => chr.toUpperCase());",
+          "}",
+          "",
+          "// Example usage:",
+          "console.log(toPascalCase('hello world test')); // Output: 'HelloWorldTest'"
+        ],
+        "tags": ["string", "case", "pascalCase"],
+        "author": "aumirza"
+      },
+            {
+        "title": "Convert String to Param Case",
+        "description": "Converts a given string into param-case.",
+        "code": [
+          "function toParamCase(str) {",
+          "  return str.toLowerCase().replace(/\\s+/g, '-');",
+          "}",
+          "",
+          "// Example usage:",
+          "console.log(toParamCase('Hello World Test')); // Output: 'hello-world-test'"
+        ],
+        "tags": ["string", "case", "paramCase"],
+        "author": "aumirza"
+      },
       {
         "title": "Remove Vowels from a String",
         "description": "Removes all vowels from a given string.",
@@ -935,5 +991,48 @@
         "author": "realvishalrana"
       }
     ]
+  },
+    {
+    "categoryName": "Regular expression",
+    "snippets": [
+      {
+        "title": "Regex Match Utility Function",
+        "description": "Enhanced regular expression matching utility.",
+        "code": [
+          "/**",
+          "* @param {string | number} input",
+          "*          The input string to match",
+          "* @param {regex | string}  expression",
+          "*          Regular expression",
+          "* @param {string} flags",
+          "*          Optional Flags",
+          "*",
+          "* @returns {array}",
+          "* [{",
+          "* match: '...',",
+          "* matchAtIndex: 0,",
+          "* capturedGroups: [ '...', '...' ]",
+          "* }]",
+          "*/",
+          "function regexMatch(input, expression, flags = 'g') {",
+          "  let regex =",
+          "    expression instanceof RegExp",
+          "      ? expression",
+          "      : new RegExp(expression, flags);",
+          "  let matches = input.matchAll(regex);",
+          "  matches = [...matches];",
+          "  return matches.map((item) => {",
+          "    return {",
+          "      match: item[0],",
+          "      matchAtIndex: item.index,",
+          "      capturedGroups: item.length > 1 ? item.slice(1) : undefined,",
+          "    };",
+          "  });",
+          "}"
+        ],
+        "tags": ["javascript","regex"],
+        "author": "aumirza"
+      }
+    ]
   }
 ]