closedsource/regexp.html at master · pikatchu/closedsource · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Regex Matcher</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 20px;
            padding: 20px;
            text-align: center;
        }
        input, button {
            margin: 10px;
            padding: 8px;
            font-size: 16px;
        }
    </style>
</head>
<body>
    <h2>Regular Expression Matcher</h2>
    <label for="regex">Regular Expression:</label>
    <input type="text" id="regex" value=".*@.*[.].*" /><br>
    <label for="inputString">Input String:</label>
    <input type="text" id="inputString" value="leo@companion.net" /><br>
    <button onclick="checkMatch()">Check Match</button>
    <p id="result"></p>

    <script>
        function checkMatch() {
            let regexInput = document.getElementById("regex").value;
            let inputString = document.getElementById("inputString").value;

            try {
                let regex = new RegExp(regexInput);
                let isMatch = regex.test(inputString);
                document.getElementById("result").textContent = isMatch ? "✅ Match!" : "❌ No Match!";
            } catch (error) {
                console.log(error)
                document.getElementById("result").textContent = "⚠️ Invalid Regular Expression!";
            }
        }
    </script>
</body>
</html>