const regex = /(?mi)Address\h+(\w+)\h+(\w+)\n\h*(\d+ \w+) (\w+) (\w+)\n(?:Phone\h+(.+)\n)?(?:Website\h+(.+)\n)?lat\. long\.\h+(.+)/gu;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(?mi)Address\\h+(\\w+)\\h+(\\w+)\\n\\h*(\\d+ \\w+) (\\w+) (\\w+)\\n(?:Phone\\h+(.+)\\n)?(?:Website\\h+(.+)\\n)?lat\\. long\\.\\h+(.+)', 'gu')
const str = `Address Slangenburg 13
7608 RS Almelo Nederland
lat. long. 52.376536, 6.691050
Address Westeinde 26
1017 ZP Amsterdam Nederland
Phone +31 20 523 1030
Website https://www.Amsterdam.nl
lat. long. 52.359401, 4.898580`;
// 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