Regular Expressions 101

Explanation

Pro

Group 1(<script.*>|<\/script>)

1st Alternative<script.*>

<scriptthe literal text <script (case insensitive)

.*any character (except for line terminators), repeated any number of times

>the literal > (62₁₀ / 76₈ / 3E₁₆)

2nd Alternative<\/script>

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

script>the literal text script> (case insensitive)

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

g modifier: global. Finds all matches instead of stopping after the first

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(<script.*>|<\/script>)

New

<script type="text/javascript">
    $("#apis-title").keyup(function () {
        var nameText = $(this).val().replace(/([^a-zA-Z0-9_])/g, '_');
        $("#apis-name").val(nameText.toLowerCase());
    });
</script>

Substitution

<script type="text/javascript">
    $("#apis-title").keyup(function () {
        var nameText = $(this).val().replace(/([^a-zA-Z0-9_])/g, '_');
        $("#apis-name").val(nameText.toLowerCase());
    });
</script>