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Editorial Team
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Asked: 2026-06-16T20:30:45+00:00

I am attempting to build a function as to check wether or not wild

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I am attempting to build a function as to check wether or not wild cards will be used in a search string.

Example.

%name% var search_type = "LIKE"

%name var search_type = "LIKE"

name% var search_type = "LIKE"

name   var search_type = "EQUALS"

How can a javascript regex be written to substantiate between the 4 types of examples?

<html>

<head>

<script type="text/javascript">

function test() {

var name = document.getElementById("search").value


}


</script>


</head>

<body>

<input type="text" id="search">

<input onclick="test()" type="submit" value="Submit">

</body>

</html>
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1 Answer

  1. Editorial Team

    Here is a DEMO

    function test() {
    var name = document.getElementById("search").value;
    var search_type = '';

    if (name.indexOf('%') > -1) {
        search_type = 'like';
    } else {
        search_type = 'equals';
    }
    alert(search_type);
    return search_type;
}

    Update

    The above code will work irrespective of the position of the % symbol in the text. If you are interested that it should either be at the start OR end OR both, use the below code.
    DEMO Here

    function test() {
    var name = document.getElementById("search").value;
    var position = name.indexOf('%');
    var search_type = '';

    if (position === 0 || position === name.length) {
        search_type = 'like';
    } else {
        search_type = 'equals';
    }

    alert(search_type);
    return search_type;
}
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