diff --git a/platform/util/src/com/intellij/util/io/URLUtil.java b/platform/util/src/com/intellij/util/io/URLUtil.java
index cb7d4cfe7349..11eba77fbb6d 100644
--- a/platform/util/src/com/intellij/util/io/URLUtil.java
+++ b/platform/util/src/com/intellij/util/io/URLUtil.java
@@ -44,7 +44,7 @@ public class URLUtil {
   public static final String JAR_PROTOCOL = "jar";
   public static final String JAR_SEPARATOR = "!/";
 
-  public static final Pattern DATA_URI_PATTERN = Pattern.compile("data:([^,;]+/[^,;]+)(;charset=[^,;]+)?(;base64)?,(.+)");
+  public static final Pattern DATA_URI_PATTERN = Pattern.compile("data:([^,;]+/[^,;]+)(;charset(?:=|:)[^,;]+)?(;base64)?,(.+)");
 
   private URLUtil() { }
 
@@ -245,4 +245,5 @@ public class URLUtil {
     return host;
   }
 
+
 }
\ No newline at end of file
diff --git a/platform/util/testSrc/com/intellij/util/io/UrlUtilTest.java b/platform/util/testSrc/com/intellij/util/io/UrlUtilTest.java
index 269db1c45268..207d52d6e109 100644
--- a/platform/util/testSrc/com/intellij/util/io/UrlUtilTest.java
+++ b/platform/util/testSrc/com/intellij/util/io/UrlUtilTest.java
@@ -23,12 +23,12 @@
 package com.intellij.util.io;
 
 import com.intellij.openapi.util.Pair;
+import com.intellij.openapi.vfs.CharsetToolkit;
 import org.jetbrains.annotations.Nullable;
 import org.junit.Test;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.junit.Assert.*;
 
 public class UrlUtilTest {
   @Test
@@ -72,4 +72,12 @@ public class UrlUtilTest {
       assertEquals("github.com", URLUtil.parseHostFromSshUrl(sshUrl));
     }
   }
+
+  @Test
+  public void testDataUri() {
+    byte[] test = "test".getBytes(CharsetToolkit.UTF8_CHARSET);
+    assertThat(URLUtil.getBytesFromDataUri("data:text/plain;charset=utf-8;base64,dGVzdA=="), equalTo(test));
+    // https://youtrack.jetbrains.com/issue/WEB-14581#comment=27-1014790
+    assertThat(URLUtil.getBytesFromDataUri("data:text/plain;charset:utf-8;base64,dGVzdA=="), equalTo(test));
+  }
 }
\ No newline at end of file