Getting array from a string using regular expression

Question

Code:

<script language="javascript1.2">
   var re = /^\[\[.+$/;
   var str = '[[FirstName]] [[LastName]] watched "[[$Title]]" and sent you the following               
             comment and link:[[iaf_message/5]][[#if iaf_message/6 
              No]]http://webcasts.advanstar.com/acc/iaf/1/[[$PROGRAMID]]/Clicking the 
             URL above will take you to the webcast: "[[$Title]]" 
             [[#else]]http://webcasts.advanstar.com/acc/iaf/1/[[$PROGRAMID]]/?
              _IAFSegment=[[$SEGMENT]]&_IAFTime=[[$posmmss]]Clicking the URL above will 
              take you to the webcast "[[$Title]]" at the point in the program that 
              [[/User/FirstName]] thought would be most relevant to you.
              [[#endif]]Message from Advanstar Communications[Sender IP: [[$IP]]] If 
              you believe you have received this email in error, or for customer 
              service at Accela Communications, please send a message to 
              mailto:support.getinfoadvanstar.com';

  var myArray = str.match(re);
  console.log(myArray);
</script>

I want to fetch all values which are all present inside [[ ]] in an array using regular expression. Please help me.

please copy and paste the code as it is.

Avinash Raj
– Avinash Raj

2014-06-30 14:18:56 +00:00
Commented Jun 30, 2014 at 14:18 — Avinash Raj
– Avinash Raj, Commented Jun 30, 2014 at 14:18

Amit Joki · Accepted Answer · 2014-06-30 14:24:11Z

1

You can do this:

var myArray = str.match(/\[\[.+?\]\]/g).map(
    function(x){ return x.replace(/\[|\]/g,"");
});

answered Jun 30, 2014 at 14:24

Amit Joki

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3 Comments

Amit Joki Over a year ago

@Shanmugam glad to have helped.

Amit Joki Over a year ago

@Shanmugam don't forget to mark it as answer by clicking on the tick mark

Luis Masuelli Over a year ago

If you can't use .map, use a library like jquery or underscore which provides .map. However, most HTML5-enabled browsers support .map nowadays, althought many companies have windows XP installed and use internet explorer 8, so don't have default .map function.

olleicua · Accepted Answer · 2014-06-30 14:31:21Z

1

This should work in all versions of JavaScript:

var mystring = "[[foo]] .. [[bar]] ... [[baz]]";
var pattern = /\[\[([^\]]*)\]\]/g
var array = [];
match = pattern.exec(mystring);
while (match !== null) {
  array.push(match[1]);
  match = pattern.exec(mystring);
}

answered Jun 30, 2014 at 14:31

olleicua

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