How can I match a whole word in JavaScript?

I am trying to search a single whole word through a textbox. Say I search "me", I should find all occurrences of the word "me" in the text, but not "memmm" per say.

I am using JavaScript's search('my regex expression') to perform the current search (with no success).

After several proposals to use the \b switches (which don't seem to work) I am posting a revised explanation of my problem:

For some reason this doesn't seem to do the trick. Assume the following JavaScript search text:

var lookup = '\n\n\n\n\n\n2    PC Games        \n\n\n\n';
lookup  = lookup.trim() ;
alert(lookup );

var tttt = 'tttt';
alert((/\b(lookup)\b/g).test(2));

Moving lines is essential

Solution 1:

To use a dynamic regular expression see my updated code:

new RegExp("\\b" + lookup + "\\b").test(textbox.value)

Your specific example is backwards:

alert((/\b(2)\b/g).test(lookup));

Regexpal

Regex Object

Solution 2:

Use the word boundary assertion \b:

/\bme\b/

Solution 3:

You may use the following code:

var stringTosearch ="test ,string, test"; //true
var stringTosearch ="test string test"; //true
var stringTosearch ="test stringtest"; //false
var stringTosearch ="teststring test"; //false

if (new RegExp("\\b"+"string"+"\\b").test(stringTosearch)) {
  console.log('string found');
  return true;
} else {
  return false;
}