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Editorial Team
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Asked: 2026-05-28T02:57:23+00:00

How to get this string to give me the exact matching result session[username_or_email] the

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How to get this string to give me the exact matching result

session[username_or_email]

the expression

<html>
<body>

<script type="text/javascript">

var str="session[username_or_email]";
var patt1=/ID|un|name|login_username|userid|username|user|Email|uname|usr|log|email|mail|nick|CUST|account|wpName1|textbox|pw|session[username_or_email]/i;
document.write(str.match(patt1));

</script>

</body>
</html>

the result now is username

Thankyou.

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1 Answer

  1. Editorial Team

    Just escape the [ with \[ so it isn’t treated as a special regex control character, but just a normal character to search for.

    var str="session[username_or_email]";
var patt1=/ID|un|name|login_username|userid|username|user|Email|uname|usr|log|email|mail|nick|CUST|account|wpName1|textbox|pw|session\[username_or_email]/i;
document.write(str.match(patt1));

    You can see it work here: http://jsfiddle.net/jfriend00/CuWKV/

    You don’t actually have to escape the ] because it is only an expected regex control character when a [ has come before it though it does not harm to escape it also.

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