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Question

checking a pattern present in a string using javascript

Answer 1

+1 A:

/http:\/\/localhost\/testprj\?test=1232/.test(s)

Joe Chung 2009-07-07 08:01:03

Answer 2

+2 A:

For pattern checking, you will want to look into regular expressions.

What particular pattern do you want to check for? If you just want to check whether a string is a URL, the following code should do:

var myString = "http://blah.com/helloworld/";
if (myString.match(/http:\/\//)) {
    alert("'myString' is a URL.");
}

Steve

Steve Harrison 2009-07-07 08:01:23

Answer 3

A:

I think you just had some minor syntax issues:

var re = /http:\/\/localhost\/testprj\?test=1232/
var s=location.href;
if(s.match(re)) { 
  alert('welcome!!'); 
}

Matthew Flaschen 2009-07-07 08:05:58

/http:\/\/localhost\/testprj\?test=1232/i cant use like this. because , please check my Question i will update

coderex 2009-07-07 08:17:32

Answer 4

A:

note that regular expressions are a data type of their own in javascript: no quotes or anything, just / delimeters

Here Be Wolves 2009-07-07 08:08:17

Answer 5

A:

Yes finaly i got the solution i used the functions

for(var i=0;i<len;i++){
  if(strstr(url,a[i].href)) {
   a[i].className='active';
  }
    }

 function strstr( url, href) {
     var pos = 0;
     url += '';
     pos = url.indexOf( href );
     if (pos == -1) {
         return false;
     } 
     else{
         if(strcmp(url,href)==0)
            return 1;
    }

 }
 function strcmp ( str1, str2 ) {
       return ( ( str1 == str2 ) ? 0 : ( ( str1 > str2 ) ? 1 : -1 ) );
 }

like this way, its working fine!!!

Thank you

coderex 2009-07-07 12:42:11

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checking a pattern present in a string using javascript

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