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Code Indentation

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                <textarea id="cm" name="cm"></textarea>





                CodeMirror.defineSimpleMode("simplemode", {
    start: [
            regex: /["'](?:[^\\]|\\.)*?(?:['"]|$)/,
            token: "string"
        // You can match multiple tokens at once. Note that the captured
        // groups must span the whole string in this case
            regex: /(function)(\s+)([a-z$][\w$]*)/,
            token: ["keyword", null, "variable-2"]
            regex: /[(?:buy the|send the|check the)]*\b/i,
            token: "keyword"
    // The multi-line comment state.
    comment: [
            regex: /.*?\*\//,
            token: "comment", next: "start"
            regex: /.*/,
            token: "comment"
    // The meta property contains global information about the mode. It
    // can contain properties like lineComment, which are supported by
    // all modes, and also directives like dontIndentStates, which are
    // specific to simple modes.
    meta: {
        dontIndentStates: ["comment"],
        lineComment: "//"

var listKeywords = ["Buy the","Send the", "Check the"];
// Register an array of completion words for this mode
CodeMirror.registerHelper("hintWords", "simplemode", listKeywords);

var editor = CodeMirror.fromTextArea(document.getElementById('cm'), {
    mode: "simplemode",
    lineNumbers: true,
    extraKeys: {"Ctrl-Space": "autocomplete"}