const regex = /
\{ # { character
(?: # non-capturing group
[^{}] # anything that is not a { or }
| # OR
(?R) # recurses the entire pattern
)* # previous group zero or more times
\} # } character
/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('
\\{ # { character
(?: # non-capturing group
[^{}] # anything that is not a { or }
| # OR
(?R) # recurses the entire pattern
)* # previous group zero or more times
\\} # } character
', 'g')
const str = `This is a funny text about stuff,
look at this product {"action":"product","options":{...}}.
More Text is to come and another JSON string
{"action":"review","options":{...}}`;
// 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