Use javascript regex to match string with and without number - Javascript RegExp

Javascript examples for RegExp:RegExp Match

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Description

Use javascript regex to match string with and without number

Demo Code

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<html>
   <head> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript">
    window.onload=function(){//from www.j a v  a2 s  .c  om
var scores = ["this is a test", "test test @inc score 1000"];
var re = /@inc score(?: (\d+))?/;
for (i = 0; i < scores.length; i++) {
    var inc = scores[i];
    if (result = inc.match(re)) {
        var addition = "+=" + (result[1] === undefined ? '1' : result[1]);
        console.log(addition);
    }
}
    }

      </script> 
   </head> 
   <body>  
   </body>
</html>

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