const regex = /.*Version (\S+)/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('.*Version (\\S+)', 'g')
const str = `//Version 1.0 Aug 31st 2011 -First Release.
//Version 1.1 Sep 29th 2011
//Bug fixed: When using hovercard in hovercard, the inner hovercard shows up as well when parent hovercard opens.
//
//Version 1.2 Sep 30th 2011
//Enhancement: The hovercard now adjust (either open on left or right) in accordance to the view port.
//Added options:
//openOnLeft: force hovercard to open on left. (eg: if the hovered name appear in the end of sentence)
//
//Version 2.0 Nov 8th 2011
//Bug Fixes: zindex issue.
//Enhancements: Supercool built in social profile cards like Twitter and Facebook!
//Added options:
//showTwitterCard: displays a built in twitter card format for a twitter screenname. Maximum 150 twitter lookup per hour.
//twitterScreenName: twitter screen name for the hovercard. If no username/screenname is provided, hovercard attempts to look up for hovered text.
//showFacebookCard: displays a built in facebook card format for a facebook username/pages/events etc. Works best with Facebook pages.
//facebookUserName: facebook username/pages/events/groups for the hovercard. If no username is provided, hovercard attempts to look up for hovered text.
//
//Version 2.1 Nov 22nd 2011
//Enhancement: attribute 'data-hovercard'. You may now use data-hovercard attribute with your label/link etc to set the twitter or facebook usernames.
//Added options:
//showCustomCard: You may now add your own custom data source and display the profile data using existing card format.
//
//Version 2.2 Dec 9th 2011
//Bug Fixes: zindex issue with IE7.
//
//Version 2.3 Dec 15th 2011
//Enhancement: The plugin now auto adjust on the edges of visible window/viewport!
//Added options:
//openOnTop: Set 'openOnTop' to true if you want the hovercard to always open on left.
//customCardJSON: Provide a local json data with showCustomCard. Inherits plugin's social card format/styles.
//delay: Delay the hovercard appearance on hover.
//
//Version 2.4 Apr 12th 2012
//Added options:
//autoAdjust: The plugin's default functionality to auto adjust to the viewport `;
// 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