const regex = /\[!file(?:\s*title="([^"]*?)"\s*icon="([^"]*?)")?]\(([^)]+)\)/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('\\[!file(?:\\s*title="([^"]*?)"\\s*icon="([^"]*?)")?]\\(([^)]+)\\)', 'gm')
const str = `// from this: [!file title="This is my title" icon="rocket"](file.txt)
attributes = [
"title" : "This is my title",
"icon" : "rocket",
"item" : "file.txt"
]
or from this: [!file](../files/docs/terms.pdf)
attributes = [
"title" : "",
"icon" : "",
"item" : "../files/docs/terms.pdf"
]`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions