diff --git a/lib/jasmine-core/jasmine.js b/lib/jasmine-core/jasmine.js
index a088955b..76e084c5 100644
--- a/lib/jasmine-core/jasmine.js
+++ b/lib/jasmine-core/jasmine.js
@@ -58,6 +58,7 @@ getJasmineRequireObj = (function (jasmineGlobal) {
     j$.Spec = jRequire.Spec(j$);
     j$.SpyRegistry = jRequire.SpyRegistry(j$);
     j$.SpyStrategy = jRequire.SpyStrategy();
+    j$.StringMatching = jRequire.StringMatching(j$);
     j$.Suite = jRequire.Suite();
     j$.Timer = jRequire.Timer();
     j$.version = jRequire.version();
@@ -935,54 +936,6 @@ getJasmineRequireObj().JsApiReporter = function() {
   return JsApiReporter;
 };
 
-getJasmineRequireObj().Any = function() {
-
-  function Any(expectedObject) {
-    this.expectedObject = expectedObject;
-  }
-
-  Any.prototype.asymmetricMatch = function(other) {
-    if (this.expectedObject == String) {
-      return typeof other == 'string' || other instanceof String;
-    }
-
-    if (this.expectedObject == Number) {
-      return typeof other == 'number' || other instanceof Number;
-    }
-
-    if (this.expectedObject == Function) {
-      return typeof other == 'function' || other instanceof Function;
-    }
-
-    if (this.expectedObject == Object) {
-      return typeof other == 'object';
-    }
-
-    if (this.expectedObject == Boolean) {
-      return typeof other == 'boolean';
-    }
-
-    return other instanceof this.expectedObject;
-  };
-
-  Any.prototype.jasmineToString = function() {
-    return '<jasmine.any(' + this.expectedObject + ')>';
-  };
-
-  return Any;
-};
-
-getJasmineRequireObj().Anything = function(j$) {
-
-  function Anything() {}
-
-  Anything.prototype.asymmetricMatch = function(other) {
-    return !j$.util.isUndefined(other) && other !== null;
-  };
-
-  return Anything;
-};
-
 getJasmineRequireObj().CallTracker = function() {
 
   function CallTracker() {
@@ -1559,32 +1512,6 @@ getJasmineRequireObj().MockDate = function() {
   return MockDate;
 };
 
-getJasmineRequireObj().ObjectContaining = function(j$) {
-
-  function ObjectContaining(sample) {
-    this.sample = sample;
-  }
-
-  ObjectContaining.prototype.asymmetricMatch = function(other) {
-    if (typeof(this.sample) !== 'object') { throw new Error('You must provide an object to objectContaining, not \''+this.sample+'\'.'); }
-
-    for (var property in this.sample) {
-      if (!Object.prototype.hasOwnProperty.call(other, property) ||
-          !j$.matchersUtil.equals(this.sample[property], other[property])) {
-        return false;
-      }
-    }
-
-    return true;
-  };
-
-  ObjectContaining.prototype.jasmineToString = function() {
-    return '<jasmine.objectContaining(' + j$.pp(this.sample) + ')>';
-  };
-
-  return ObjectContaining;
-};
-
 getJasmineRequireObj().pp = function(j$) {
 
   function PrettyPrinter() {
@@ -2198,6 +2125,97 @@ getJasmineRequireObj().Timer = function() {
   return Timer;
 };
 
+getJasmineRequireObj().Any = function() {
+
+  function Any(expectedObject) {
+    this.expectedObject = expectedObject;
+  }
+
+  Any.prototype.asymmetricMatch = function(other) {
+    if (this.expectedObject == String) {
+      return typeof other == 'string' || other instanceof String;
+    }
+
+    if (this.expectedObject == Number) {
+      return typeof other == 'number' || other instanceof Number;
+    }
+
+    if (this.expectedObject == Function) {
+      return typeof other == 'function' || other instanceof Function;
+    }
+
+    if (this.expectedObject == Object) {
+      return typeof other == 'object';
+    }
+
+    if (this.expectedObject == Boolean) {
+      return typeof other == 'boolean';
+    }
+
+    return other instanceof this.expectedObject;
+  };
+
+  Any.prototype.jasmineToString = function() {
+    return '<jasmine.any(' + this.expectedObject + ')>';
+  };
+
+  return Any;
+};
+
+getJasmineRequireObj().Anything = function(j$) {
+
+  function Anything() {}
+
+  Anything.prototype.asymmetricMatch = function(other) {
+    return !j$.util.isUndefined(other) && other !== null;
+  };
+
+  return Anything;
+};
+
+getJasmineRequireObj().ObjectContaining = function(j$) {
+
+  function ObjectContaining(sample) {
+    this.sample = sample;
+  }
+
+  ObjectContaining.prototype.asymmetricMatch = function(other) {
+    if (typeof(this.sample) !== 'object') { throw new Error('You must provide an object to objectContaining, not \''+this.sample+'\'.'); }
+
+    for (var property in this.sample) {
+      if (!Object.prototype.hasOwnProperty.call(other, property) ||
+          !j$.matchersUtil.equals(this.sample[property], other[property])) {
+        return false;
+      }
+    }
+
+    return true;
+  };
+
+  ObjectContaining.prototype.jasmineToString = function() {
+    return '<jasmine.objectContaining(' + j$.pp(this.sample) + ')>';
+  };
+
+  return ObjectContaining;
+};
+
+getJasmineRequireObj().StringMatching = function(j$) {
+
+  function StringMatching(expected) {
+    if (!j$.isString_(expected) && !j$.isA_('RegExp', expected)) {
+      throw new Error('Expected is not a String or a RegExp');
+    }
+
+    this.regexp = new RegExp(expected);
+  }
+
+  StringMatching.prototype.asymmetricMatch = function(other) {
+    return this.regexp.test(other);
+  };
+
+  return StringMatching;
+};
+
 getJasmineRequireObj().matchersUtil = function(j$) {
   // TODO: what to do about jasmine.pp not being inject? move to JSON.stringify? gut PrettyPrinter?
 
diff --git a/spec/core/AnySpec.js b/spec/core/asymmetric_equality/AnySpec.js
similarity index 100%
rename from spec/core/AnySpec.js
rename to spec/core/asymmetric_equality/AnySpec.js
diff --git a/spec/core/AnythingSpec.js b/spec/core/asymmetric_equality/AnythingSpec.js
similarity index 100%
rename from spec/core/AnythingSpec.js
rename to spec/core/asymmetric_equality/AnythingSpec.js
diff --git a/spec/core/ObjectContainingSpec.js b/spec/core/asymmetric_equality/ObjectContainingSpec.js
similarity index 100%
rename from spec/core/ObjectContainingSpec.js
rename to spec/core/asymmetric_equality/ObjectContainingSpec.js
diff --git a/spec/core/asymmetric_equality/StringMatchingSpec.js b/spec/core/asymmetric_equality/StringMatchingSpec.js
new file mode 100644
index 00000000..d7758f90
--- /dev/null
+++ b/spec/core/asymmetric_equality/StringMatchingSpec.js
@@ -0,0 +1,21 @@
+describe("StringMatching", function() {
+  it("matches a string against a provided regexp", function() {
+    var matcher = new j$.StringMatching(/foo/);
+
+    expect(matcher.asymmetricMatch('barfoobaz')).toBe(true);
+    expect(matcher.asymmetricMatch('barbaz')).toBe(false);
+  });
+
+  it("matches a string against provided string", function() {
+    var matcher = new j$.StringMatching('foo');
+
+    expect(matcher.asymmetricMatch('barfoobaz')).toBe(true);
+    expect(matcher.asymmetricMatch('barbaz')).toBe(false);
+  });
+
+  it("raises an Error when the expected is not a String or RegExp", function() {
+    expect(function() {
+      new j$.StringMatching({});
+    }).toThrowError(/not a String or a RegExp/);
+  });
+});
diff --git a/src/core/Any.js b/src/core/asymmetric_equality/Any.js
similarity index 100%
rename from src/core/Any.js
rename to src/core/asymmetric_equality/Any.js
diff --git a/src/core/Anything.js b/src/core/asymmetric_equality/Anything.js
similarity index 100%
rename from src/core/Anything.js
rename to src/core/asymmetric_equality/Anything.js
diff --git a/src/core/ObjectContaining.js b/src/core/asymmetric_equality/ObjectContaining.js
similarity index 100%
rename from src/core/ObjectContaining.js
rename to src/core/asymmetric_equality/ObjectContaining.js
diff --git a/src/core/asymmetric_equality/StringMatching.js b/src/core/asymmetric_equality/StringMatching.js
new file mode 100644
index 00000000..081c8d0e
--- /dev/null
+++ b/src/core/asymmetric_equality/StringMatching.js
@@ -0,0 +1,16 @@
+getJasmineRequireObj().StringMatching = function(j$) {
+
+  function StringMatching(expected) {
+    if (!j$.isString_(expected) && !j$.isA_('RegExp', expected)) {
+      throw new Error('Expected is not a String or a RegExp');
+    }
+
+    this.regexp = new RegExp(expected);
+  }
+
+  StringMatching.prototype.asymmetricMatch = function(other) {
+    return this.regexp.test(other);
+  };
+
+  return StringMatching;
+};
diff --git a/src/core/base.js b/src/core/base.js
index 00f81116..b0b3847c 100644
--- a/src/core/base.js
+++ b/src/core/base.js
@@ -53,6 +53,10 @@ getJasmineRequireObj().base = function(j$, jasmineGlobal) {
     return new j$.ObjectContaining(sample);
   };
 
+  j$.stringMatching = function(expected) {
+    return new j$.StringMatching(expected);
+  };
+
   j$.createSpy = function(name, originalFn) {
 
     var spyStrategy = new j$.SpyStrategy({
diff --git a/src/core/requireCore.js b/src/core/requireCore.js
index 2dbf43ee..10de5590 100644
--- a/src/core/requireCore.js
+++ b/src/core/requireCore.js
@@ -36,6 +36,7 @@ getJasmineRequireObj = (function (jasmineGlobal) {
     j$.Spec = jRequire.Spec(j$);
     j$.SpyRegistry = jRequire.SpyRegistry(j$);
     j$.SpyStrategy = jRequire.SpyStrategy();
+    j$.StringMatching = jRequire.StringMatching(j$);
     j$.Suite = jRequire.Suite();
     j$.Timer = jRequire.Timer();
     j$.version = jRequire.version();