window.ENTITIES={'/api/snippets/javascript/javascript%20-%20example%20regexp%20replace()%20method%20equivalent%20(with%20lastindex%20support)':[{"result":true,"message":null,"batch":{"type":"javascript","name":"javascript - example regexp replace() method equivalent (with lastindex support)","items":[{"id":"pJZm7p","type":"javascript","name":"JavaScript - example RegExp replace() method equivalent (with lastIndex support)","content":"// ONLINE-RUNNER:browser;\n\n// Note: in the snippet you can find missing `RexExp.prototype.replace()` method equivalent that\n//       supports `RexExp.prototype.lastIndex` property.\n\n// Hint: this approach may be used in the web borsers where 'y' flag is not working with\n//       `String.prototype.replace()` method in the proper way (where `RexExp.prototype.lastIndex` is ignored).\n\nconst replaceText = (expression, text, replacer) => {\n    const global = expression.global;\n    let index = 0;\n    let result = '';\n    while (true) {\n        const match = expression.exec(text);\n        if (match === null) {\n            break;\n        }\n        const entry = match[0];\n        result += text.substring(index, match.index);\n        result += replacer(...match);\n        index = match.index + entry.length;\n        if (global === false) {\n            break;\n        }\n    }\n    result += text.substring(index, text.length);\n    return result;\n};\n\n\n// Usage example:\n\nconst expression = /bc/g;\nconst text = 'abcd+abcd';\n\nconsole.log(replaceText(expression, text, (match) => '<--REPLACEMENT-->'));  // a<--REPLACEMENT-->d+a<--REPLACEMENT-->d","source":"","author":{"id":"xaOq10","name":"ArcadeParade","avatar":"1629138213061__xaOq10__w40px_h40px.jpg","points":666,"role":"BASIC"},"creationTime":1704461397000,"updateTime":1718920226000,"removalTime":null}]}}]};