Add a first pass at jsdoc.

[##130415655] #596

src/core/matchers/toMatch.js

@@ -2,6 +2,15 @@ getJasmineRequireObj().toMatch = function(j$) {
 
   var getErrorMsg = j$.formatErrorMsg('<toMatch>', 'expect(<expectation>).toMatch(<string> || <regexp>)');
 
+  /**
+   * {@link expect} the actual value to match a regular expression
+   * @function
+   * @name matchers#toMatch
+   * @param {RegExp|String} expected - Value to look for in the string.
+   * @example
+   * expect("my string").toMatch(/string$/);
+   * expect("other string").toMatch("her");
+   */
   function toMatch() {
     return {
       compare: function(actual, expected) {