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Wikipedia:WikiProject User scripts/Scripts/Replace

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//

// Adds a "Replace" tab which pops up two prompt boxes; one for a regexp and one for a replacement
function wpTextboxReplace()
{
    var s = prompt("Search regexp:");
    var txt = document.editform.wpTextbox1;
    while (true) {
        if (!s) return;
        var s_r = new RegExp(s, "mg");
        if (s_r.test(txt.value)) {
            var r = prompt("Replace /"+s+"/ with:");
            r = r.replace(/\\n/g,"\n"); // unescape newlines
            if (!r && r !== '') return;
            txt.value = txt.value.replace(s_r, r);
            return;
        }
        else {
            var s_0 = s;
            s = prompt("/" + s_0 + "/ did not match anything. You may enter a new regexp:");
        }
    }
}
addOnloadHook(function () {
    if (document.forms.editform) {
        mw.util.addPortletLink('p-cactions', 'javascript:wpTextboxReplace()', 'Replace', 'ca-replace',
                       'Regexp replace for the edit window', 'R', document.getElementById('ca-history'));
    }
});
 
//

//