const regex = /(\s*)(19[5-9]\d|20[0-4]\d)(?:\s*-\s*(19[5-9]\d|20[0-4]\d))?(?=\s)/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(\\s*)(19[5-9]\\d|20[0-4]\\d)(?:\\s*-\\s*(19[5-9]\\d|20[0-4]\\d))?(?=\\s)', 'gm')
const str = `2007 Chevy Silverado Pickup new body style models 2008-2013 Chevy Silverado All Models 2014 Chevy Silverado 2500HD 3500HD 2007 GMC Sierra Pickup new body style models 2008 - 2013 GMC Sierra All Models 2014 GMC Sierra 2500HD 3500HD 2007-2013 Chevy Tahoe 2007-2013 Chevy Suburban 2007 - 2013 Chevy Avalanche 2007-2013 GMC Yukon Yukon XL Yukon Denali`;
// 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