TableFilter/dev/string.js

define(['exports'], function (exports) {
    /**
     * String utilities
     */

    'use strict';

    var Str = {};

    Str.lower = function (text) {
        return text.toLowerCase();
    };

    Str.upper = function (text) {
        return text.toUpperCase();
    };

    Str.trim = function (text) {
        if (text.trim) {
            return text.trim();
        }
        return text.replace(/^\s*|\s*$/g, '');
    };

    Str.isEmpty = function (text) {
        return this.trim(text) === '';
    };

    Str.rgxEsc = function (text) {
        function escape(e) {
            var a = new RegExp('\\' + e, 'g');
            text = text.replace(a, '\\' + e);
        }

        var chars = ['\\', '[', '^', '$', '.', '|', '?', '*', '+', '(', ')'];
        for (var e = 0; e < chars.length; e++) {
            escape(chars[e]);
        }
        return text;
    };

    Str.matchCase = function (text, mc) {
        if (!mc) {
            return this.lower(text);
        }
        return text;
    };

    exports.Str = Str;
});
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