const regex = new RegExp('keyword_token:\\s*(.*?)\\s*(\\d[a-zA-Z\\d-]*)\\(([^()]*)\\)', 'gm')
const str = `# streetname 1() refers to house number 1 with an empty () additional qualifier
keyword_token: street name 4()
keyword_token: street name 4a()
keyword_token: street name 4Aa()
keyword_token: street-name 14()
keyword_token: streetname 123()keyword_token: streetname 123()
# why is it logged one message per line, but we get the address logged twice - sometimes??
keyword_token: streetname 9(7)keyword_token: streetname 9(7)
keyword_token: streetname 27()\\r\\n a lot more text and log messages in the free form text log - one messageper line \\n
keyword_token: street-name 1-23(BLOCK D HAUS 6)keyword_token: street-name 1-23(BLOCK H HAUS 2)keyword_token: street-name 1-23(BLOCK G HAUS 3)',
keyword_token: Streetname 96-98(13)`;
// 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