--- /dev/null
+var createPadding = require('./_createPadding'),
+ stringSize = require('./_stringSize'),
+ toInteger = require('./toInteger'),
+ toString = require('./toString');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeCeil = Math.ceil,
+ nativeFloor = Math.floor;
+
+/**
+ * Pads `string` on the left and right sides if it's shorter than `length`.
+ * Padding characters are truncated if they can't be evenly divided by `length`.
+ *
+ * @static
+ * @memberOf _
+ * @category String
+ * @param {string} [string=''] The string to pad.
+ * @param {number} [length=0] The padding length.
+ * @param {string} [chars=' '] The string used as padding.
+ * @returns {string} Returns the padded string.
+ * @example
+ *
+ * _.pad('abc', 8);
+ * // => ' abc '
+ *
+ * _.pad('abc', 8, '_-');
+ * // => '_-abc_-_'
+ *
+ * _.pad('abc', 3);
+ * // => 'abc'
+ */
+function pad(string, length, chars) {
+ string = toString(string);
+ length = toInteger(length);
+
+ var strLength = stringSize(string);
+ if (!length || strLength >= length) {
+ return string;
+ }
+ var mid = (length - strLength) / 2,
+ leftLength = nativeFloor(mid),
+ rightLength = nativeCeil(mid);
+
+ return createPadding('', leftLength, chars) + string + createPadding('', rightLength, chars);
+}
+
+module.exports = pad;