const regex = new RegExp('(?<!since)(?:\\s*)1\\.0\\.0', 'gs')
const str = `/**
* @since 1.0.0
* @package blah blah blah
* Version: 1.0.0
*/
/**
* Fired during plugin activation.
*
* This class defines all code necessary to run during the plugin's activation.
*
* @since 1.0.0
* @package blah blah
* @subpackage blah blah
* @author blah blah
*/
define( 'PLUGIN_VERSION', '1.0.0' );
`;
// 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