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<html><head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width"> <title>JS Bin</title></head><body></body></html>const data = `(a)(b)(c)(d)(e)(f)`;for (const line of data.split("\n")) { console.log([matchLine(line)]);}function* matchLine(text) { const re = /\((\w)\)/g; let match; while (match = re.exec(text)) { yield match[1]; }}
Output
300px
300px
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