const regex = /(['"])(?:\\[\s\S]|(?!\1)[^\\])*?\1/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('([\'"])(?:\\\\[\\s\\S]|(?!\\1)[^\\\\])*?\\1', 'g')
const str = `We are looking for phrases within quotes and it can be multiline "check we have a \\"return\\" here but this line is still part of previous one 'a' string".
It breaks once we have another 'testing with single \\'quotes\\' "surrounding" double quotes';`;
// 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