diff --git a/src/main/scala/org/warcbase/spark/matchbox/ExtractAtMentions.scala b/src/main/scala/org/warcbase/spark/matchbox/ExtractAtMentions.scala
new file mode 100644
index 0000000..2bb77b9
--- /dev/null
+++ b/src/main/scala/org/warcbase/spark/matchbox/ExtractAtMentions.scala
@@ -0,0 +1,22 @@
+/*
+ * Warcbase: an open-source platform for managing web archives
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.warcbase.spark.matchbox
+
+object ExtractAtMentions {
+  val pattern = """@[A-Za-z_0-9]+""".r
+  def apply(src: String): List[String] = pattern.findAllIn(src).toList
+}
diff --git a/src/main/scala/org/warcbase/spark/matchbox/ExtractHashtags.scala b/src/main/scala/org/warcbase/spark/matchbox/ExtractHashtags.scala
new file mode 100644
index 0000000..d1ebdf7
--- /dev/null
+++ b/src/main/scala/org/warcbase/spark/matchbox/ExtractHashtags.scala
@@ -0,0 +1,22 @@
+/*
+ * Warcbase: an open-source platform for managing web archives
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.warcbase.spark.matchbox
+
+object ExtractHashtags {
+  val pattern = """#[^ ]+""".r
+  def apply(src: String): List[String] = pattern.findAllIn(src).toList
+}
diff --git a/src/main/scala/org/warcbase/spark/matchbox/ExtractUrls.scala b/src/main/scala/org/warcbase/spark/matchbox/ExtractUrls.scala
new file mode 100644
index 0000000..977adb3
--- /dev/null
+++ b/src/main/scala/org/warcbase/spark/matchbox/ExtractUrls.scala
@@ -0,0 +1,22 @@
+/*
+ * Warcbase: an open-source platform for managing web archives
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.warcbase.spark.matchbox
+
+object ExtractUrls {
+  val pattern = """http://[^ ]+""".r
+  def apply(src: String): List[String] = pattern.findAllIn(src).toList
+}