Index: test/tools/llvm-objcopy/ELF/globalize.test
===================================================================
--- test/tools/llvm-objcopy/ELF/globalize.test
+++ test/tools/llvm-objcopy/ELF/globalize.test
@@ -4,6 +4,8 @@
 # RUN:   --globalize-symbol Weak \
 # RUN:   --globalize-symbol WeakUndef %t %t2
 # RUN: llvm-readobj --symbols %t2 | FileCheck %s
+# RUN: llvm-objcopy -w --globalize-symbol '[.]*' %t %t3
+# RUN: llvm-readobj --symbols %t3 | FileCheck %s
 
 !ELF
 FileHeader:
Index: test/tools/llvm-objcopy/ELF/keep-global-symbols.test
===================================================================
--- test/tools/llvm-objcopy/ELF/keep-global-symbols.test
+++ test/tools/llvm-objcopy/ELF/keep-global-symbols.test
@@ -28,6 +28,7 @@
 # RUN: echo "Unknown" >> %t-globals2.txt
 # RUN: echo "   " >> %t-globals2.txt
 # RUN: echo "# File with no symbols" > %t-globals3.txt
+# RUN: echo "^Global[0-9]+([[:space:]]Global6)*$" > %t-globals-regexp.txt
 
 # RUN: llvm-objcopy \
 # RUN:   -G Global1 \
@@ -41,6 +42,9 @@
 # RUN:   %t.o %t.2.o
 # RUN: llvm-readobj --elf-output-style=GNU --symbols %t.2.o | FileCheck %s
 
+# RUN: llvm-objcopy  -w --keep-global-symbols %t-globals-regexp.txt %t.o %t.3.o
+# RUN: llvm-readobj --elf-output-style=GNU --symbols %t.3.o | FileCheck %s --check-prefix=REGEXP
+
 !ELF
 FileHeader:
   Class:           ELFCLASS64
@@ -97,3 +101,12 @@
 # CHECK-NEXT:     11: {{.*}}  GLOBAL {{.*}} UND Global7
 # CHECK-NEXT:     12: {{.*}}  WEAK   {{.*}} Weak1
 # CHECK-NEXT:     13: {{.*}}  GLOBAL {{.*}} Weak2
+
+# REGEXP:           6: {{.*}}  GLOBAL {{.*}} Global1
+# REGEXP-NEXT:      7: {{.*}}  GLOBAL {{.*}} Global2
+# REGEXP-NEXT:      8: {{.*}}  GLOBAL {{.*}} Global3
+# REGEXP-NEXT:      9: {{.*}}  GLOBAL {{.*}} Global4
+# REGEXP-NEXT:     10: {{.*}}  GLOBAL {{.*}} Global5
+# REGEXP-NEXT:     11: {{.*}}  GLOBAL {{.*}} Global6
+# REGEXP-NEXT:     12: {{.*}}  GLOBAL {{.*}} Global5 Global6
+# REGEXP-NEXT:     13: {{.*}}  GLOBAL {{.*}} UND Global7
Index: test/tools/llvm-objcopy/ELF/keep-many.test
===================================================================
--- test/tools/llvm-objcopy/ELF/keep-many.test
+++ test/tools/llvm-objcopy/ELF/keep-many.test
@@ -1,6 +1,8 @@
 # RUN: yaml2obj %s > %t
 # RUN: llvm-objcopy --strip-non-alloc --keep-section=.test --keep-section=.test3 %t %t2
+# RUN: llvm-objcopy --strip-non-alloc -regex --keep-section='^.test[0-9]+$' %t %t3
 # RUN: llvm-readobj --file-headers --sections %t2 | FileCheck %s
+# RUN: llvm-readobj --file-headers --sections %t3 | FileCheck %s --check-prefix=REGEX
 
 !ELF
 FileHeader:
@@ -25,3 +27,8 @@
 # CHECK:     Name: .test
 # CHECK:     Name: .test3
 # CHECK:     Name: .shstrtab
+
+# REGEX: SectionHeaderCount: 4
+# REGEX:     Name: .test2
+# REGEX:     Name: .test3
+# REGEX:     Name: .shstrtab
Index: test/tools/llvm-objcopy/ELF/keep-only-section.test
===================================================================
--- test/tools/llvm-objcopy/ELF/keep-only-section.test
+++ test/tools/llvm-objcopy/ELF/keep-only-section.test
@@ -3,6 +3,8 @@
 # RUN: llvm-objcopy -j .test --keep-section=.test2 %t %t3
 # RUN: llvm-readobj --file-headers --sections %t2 | FileCheck %s
 # RUN: diff %t2 %t3
+# RUN: llvm-objcopy -w --keep-section='^.test$'  --only-section='^.test[2-3]+$' %t %t4
+# RUN: llvm-readobj --file-headers --sections %t4 | FileCheck %s --check-prefix=REGEX
 
 !ELF
 FileHeader:
@@ -25,3 +27,12 @@
 # CHECK:     Name: .symtab
 # CHECK:     Name: .strtab
 # CHECK:     Name: .shstrtab
+
+# REGEX: SectionHeaderCount: 7
+
+# REGEX:     Name: .test
+# REGEX:     Name: .test2
+# REGEX:     Name: .test3
+# REGEX:     Name: .symtab
+# REGEX:     Name: .strtab
+# REGEX:     Name: .shstrtab
Index: test/tools/llvm-objcopy/ELF/keep-symbol.test
===================================================================
--- test/tools/llvm-objcopy/ELF/keep-symbol.test
+++ test/tools/llvm-objcopy/ELF/keep-symbol.test
@@ -1,8 +1,10 @@
 # RUN: yaml2obj %s > %t
 # RUN: llvm-objcopy --discard-all -K foo --keep-symbol bar %t %t2
 # RUN: llvm-objcopy -K foo -N foo -N bar --keep-symbol bar -N baz %t %t3
+# RUN: llvm-objcopy --discard-all -w -K '^ba[.]*' %t %t4
 # RUN: llvm-readobj --symbols %t2 | FileCheck %s
 # RUN: llvm-readobj --symbols %t3 | FileCheck %s
+# RUN: llvm-readobj --symbols %t4 | FileCheck %s --check-prefix=REGEX
 
 !ELF
 FileHeader:
@@ -64,3 +66,9 @@
 #CHECK-NEXT:    Section: .text
 #CHECK-NEXT:  }
 #CHECK-NEXT:]
+
+#REGEX: Symbols [
+#REGEX-NOT: foo
+#REGEX: Name: bar
+#REGEX: Name: baz
+#REGEX: ]
Index: test/tools/llvm-objcopy/ELF/localize.test
===================================================================
--- test/tools/llvm-objcopy/ELF/localize.test
+++ test/tools/llvm-objcopy/ELF/localize.test
@@ -6,6 +6,8 @@
 # RUN:     -L GlobalCommon \
 # RUN:     %t %t2
 # RUN: llvm-readobj --symbols %t2 | FileCheck %s
+# RUN: llvm-objcopy -w -L '[.]*' %t %t3
+# RUN: llvm-readobj --symbols %t3 | FileCheck %s
 
 !ELF
 FileHeader:
Index: test/tools/llvm-objcopy/ELF/remove-section.test
===================================================================
--- test/tools/llvm-objcopy/ELF/remove-section.test
+++ test/tools/llvm-objcopy/ELF/remove-section.test
@@ -11,6 +11,10 @@
 # RUN: llvm-objcopy --remove-section=.test2 %t1 %t3
 # RUN: cmp %t2 %t3
 
+# RUN: llvm-objcopy -w --remove-section='.test[0-9]+' %t %t4
+# RUN: llvm-readobj --file-headers --sections %t4 | FileCheck %s --check-prefix=REGEX
+
+
 !ELF
 FileHeader:
   Class:           ELFCLASS64
@@ -116,3 +120,7 @@
 # CHECK:     EntrySize: 0
 # CHECK:   }
 # CHECK: ]
+
+# REGEX: SectionHeaderCount: 4
+# REGEX: Sections [
+# REGEX-NOT: test  
\ No newline at end of file
Index: test/tools/llvm-objcopy/ELF/strip-symbol.test
===================================================================
--- test/tools/llvm-objcopy/ELF/strip-symbol.test
+++ test/tools/llvm-objcopy/ELF/strip-symbol.test
@@ -3,6 +3,8 @@
 # RUN: llvm-readobj --symbols --sections %t2 | FileCheck %s
 # RUN: llvm-strip --strip-symbol baz -N bar %t -o %t3
 # RUN: llvm-readobj --symbols --sections %t3 | FileCheck %s
+# RUN: llvm-strip -w --strip-symbol '^b[.]*' -N bar %t -o %t4
+# RUN: llvm-readobj --symbols --sections %t4 | FileCheck %s
 
 !ELF
 FileHeader:
Index: test/tools/llvm-objcopy/ELF/weaken.test
===================================================================
--- test/tools/llvm-objcopy/ELF/weaken.test
+++ test/tools/llvm-objcopy/ELF/weaken.test
@@ -1,6 +1,8 @@
 # RUN: yaml2obj %s > %t
 # RUN: llvm-objcopy --weaken-symbol Global -W Local -W Weak %t %t2
 # RUN: llvm-readobj --symbols %t2 | FileCheck %s
+# RUN: llvm-objcopy -w --weaken-symbol '[.]*' %t %t3
+# RUN: llvm-readobj --symbols %t3 | FileCheck %s
 
 !ELF
 FileHeader:
Index: tools/llvm-objcopy/CopyConfig.h
===================================================================
--- tools/llvm-objcopy/CopyConfig.h
+++ tools/llvm-objcopy/CopyConfig.h
@@ -14,6 +14,7 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Regex.h"
 // Necessary for llvm::DebugCompressionType::None
 #include "llvm/Target/TargetOptions.h"
 #include <string>
@@ -48,6 +49,22 @@
   Locals, // --discard-locals (-X)
 };
 
+template <class NameTy> class NameOrRegex {
+  NameTy Name;
+  // Regex is shared between mumltiple CopyConfig instances.
+  std::shared_ptr<Regex> R;
+
+public:
+  NameOrRegex(const NameTy &Pattern, bool IsRegex) {
+    if (IsRegex)
+      R = std::make_shared<Regex>(Pattern);
+    else
+      Name = Pattern;
+  }
+  bool operator==(StringRef S) const { return R ? R->match(S) : Name == S; }
+  bool operator!=(StringRef S) const { return !operator==(S); }
+};
+
 // Configuration for copying/stripping a single file.
 struct CopyConfig {
   // Main input/output options
@@ -73,15 +90,15 @@
   // Repeated options
   std::vector<StringRef> AddSection;
   std::vector<StringRef> DumpSection;
-  std::vector<StringRef> KeepSection;
-  std::vector<StringRef> OnlySection;
-  std::vector<StringRef> SymbolsToGlobalize;
-  std::vector<StringRef> SymbolsToKeep;
-  std::vector<StringRef> SymbolsToLocalize;
-  std::vector<StringRef> SymbolsToRemove;
-  std::vector<StringRef> SymbolsToWeaken;
-  std::vector<StringRef> ToRemove;
-  std::vector<std::string> SymbolsToKeepGlobal;
+  std::vector<NameOrRegex<StringRef>> KeepSection;
+  std::vector<NameOrRegex<StringRef>> OnlySection;
+  std::vector<NameOrRegex<StringRef>> SymbolsToGlobalize;
+  std::vector<NameOrRegex<StringRef>> SymbolsToKeep;
+  std::vector<NameOrRegex<StringRef>> SymbolsToLocalize;
+  std::vector<NameOrRegex<StringRef>> SymbolsToRemove;
+  std::vector<NameOrRegex<StringRef>> SymbolsToWeaken;
+  std::vector<NameOrRegex<StringRef>> ToRemove;
+  std::vector<NameOrRegex<std::string>> SymbolsToKeepGlobal;
 
   // Map options
   StringMap<SectionRename> SectionsToRename;
Index: tools/llvm-objcopy/CopyConfig.cpp
===================================================================
--- tools/llvm-objcopy/CopyConfig.cpp
+++ tools/llvm-objcopy/CopyConfig.cpp
@@ -225,8 +225,9 @@
   return Iter->getValue();
 }
 
-static void addGlobalSymbolsFromFile(std::vector<std::string> &Symbols,
-                                     StringRef Filename) {
+static void
+addGlobalSymbolsFromFile(std::vector<NameOrRegex<std::string>> &Symbols,
+                         StringRef Filename, bool UseRegexp) {
   SmallVector<StringRef, 16> Lines;
   auto BufOrErr = MemoryBuffer::getFile(Filename);
   if (!BufOrErr)
@@ -238,7 +239,7 @@
     // it's not empty.
     auto TrimmedLine = Line.split('#').first.trim();
     if (!TrimmedLine.empty())
-      Symbols.push_back(TrimmedLine.str());
+      Symbols.emplace_back(TrimmedLine.str(), UseRegexp);
   }
 }
 
@@ -289,6 +290,7 @@
        InputArgs.hasArg(OBJCOPY_output_target)))
     error("--target cannot be used with --input-target or --output-target");
 
+  bool UseRegexp = InputArgs.hasArg(OBJCOPY_regex);
   if (InputArgs.hasArg(OBJCOPY_target)) {
     Config.InputFormat = InputArgs.getLastArgValue(OBJCOPY_target);
     Config.OutputFormat = InputArgs.getLastArgValue(OBJCOPY_target);
@@ -368,11 +370,11 @@
   }
 
   for (auto Arg : InputArgs.filtered(OBJCOPY_remove_section))
-    Config.ToRemove.push_back(Arg->getValue());
+    Config.ToRemove.emplace_back(Arg->getValue(), UseRegexp);
   for (auto Arg : InputArgs.filtered(OBJCOPY_keep_section))
-    Config.KeepSection.push_back(Arg->getValue());
+    Config.KeepSection.emplace_back(Arg->getValue(), UseRegexp);
   for (auto Arg : InputArgs.filtered(OBJCOPY_only_section))
-    Config.OnlySection.push_back(Arg->getValue());
+    Config.OnlySection.emplace_back(Arg->getValue(), UseRegexp);
   for (auto Arg : InputArgs.filtered(OBJCOPY_add_section))
     Config.AddSection.push_back(Arg->getValue());
   for (auto Arg : InputArgs.filtered(OBJCOPY_dump_section))
@@ -397,19 +399,20 @@
   Config.DecompressDebugSections =
       InputArgs.hasArg(OBJCOPY_decompress_debug_sections);
   for (auto Arg : InputArgs.filtered(OBJCOPY_localize_symbol))
-    Config.SymbolsToLocalize.push_back(Arg->getValue());
+    Config.SymbolsToLocalize.emplace_back(Arg->getValue(), UseRegexp);
   for (auto Arg : InputArgs.filtered(OBJCOPY_keep_global_symbol))
-    Config.SymbolsToKeepGlobal.push_back(Arg->getValue());
+    Config.SymbolsToKeepGlobal.emplace_back(Arg->getValue(), UseRegexp);
   for (auto Arg : InputArgs.filtered(OBJCOPY_keep_global_symbols))
-    addGlobalSymbolsFromFile(Config.SymbolsToKeepGlobal, Arg->getValue());
+    addGlobalSymbolsFromFile(Config.SymbolsToKeepGlobal, Arg->getValue(),
+                             UseRegexp);
   for (auto Arg : InputArgs.filtered(OBJCOPY_globalize_symbol))
-    Config.SymbolsToGlobalize.push_back(Arg->getValue());
+    Config.SymbolsToGlobalize.emplace_back(Arg->getValue(), UseRegexp);
   for (auto Arg : InputArgs.filtered(OBJCOPY_weaken_symbol))
-    Config.SymbolsToWeaken.push_back(Arg->getValue());
+    Config.SymbolsToWeaken.emplace_back(Arg->getValue(), UseRegexp);
   for (auto Arg : InputArgs.filtered(OBJCOPY_strip_symbol))
-    Config.SymbolsToRemove.push_back(Arg->getValue());
+    Config.SymbolsToRemove.emplace_back(Arg->getValue(), UseRegexp);
   for (auto Arg : InputArgs.filtered(OBJCOPY_keep_symbol))
-    Config.SymbolsToKeep.push_back(Arg->getValue());
+    Config.SymbolsToKeep.emplace_back(Arg->getValue(), UseRegexp);
 
   Config.DeterministicArchives = InputArgs.hasFlag(
       OBJCOPY_enable_deterministic_archives,
@@ -469,6 +472,7 @@
     error("Multiple input files cannot be used in combination with -o");
 
   CopyConfig Config;
+  bool UseRegexp = InputArgs.hasArg(STRIP_regex);
   Config.StripDebug = InputArgs.hasArg(STRIP_strip_debug);
 
   if (InputArgs.hasArg(STRIP_discard_all, STRIP_discard_locals))
@@ -481,16 +485,16 @@
   Config.StripAllGNU = InputArgs.hasArg(STRIP_strip_all_gnu);
 
   for (auto Arg : InputArgs.filtered(STRIP_keep_section))
-    Config.KeepSection.push_back(Arg->getValue());
+    Config.KeepSection.emplace_back(Arg->getValue(), UseRegexp);
 
   for (auto Arg : InputArgs.filtered(STRIP_remove_section))
-    Config.ToRemove.push_back(Arg->getValue());
+    Config.ToRemove.emplace_back(Arg->getValue(), UseRegexp);
 
   for (auto Arg : InputArgs.filtered(STRIP_strip_symbol))
-    Config.SymbolsToRemove.push_back(Arg->getValue());
+    Config.SymbolsToRemove.emplace_back(Arg->getValue(), UseRegexp);
 
   for (auto Arg : InputArgs.filtered(STRIP_keep_symbol))
-    Config.SymbolsToKeep.push_back(Arg->getValue());
+    Config.SymbolsToKeep.emplace_back(Arg->getValue(), UseRegexp);
 
   if (!Config.StripDebug && !Config.StripUnneeded &&
       Config.DiscardMode == DiscardType::None && !Config.StripAllGNU && Config.SymbolsToRemove.empty())
Index: tools/llvm-objcopy/ObjcopyOpts.td
===================================================================
--- tools/llvm-objcopy/ObjcopyOpts.td
+++ tools/llvm-objcopy/ObjcopyOpts.td
@@ -193,3 +193,8 @@
     : Eq<"build-id-link-output", "Hard-link the output to <dir>/xx/xxx<suffix> "
                                  "name derived from hex build ID">,
       MetaVarName<"suffix">;
+
+def regex
+    : Flag<["-", "--"], "regex">,
+      HelpText<"Permit regular expressions in name comparison">;
+def w : Flag<["-"], "w">, Alias<regex>;
Index: tools/llvm-objcopy/StripOpts.td
===================================================================
--- tools/llvm-objcopy/StripOpts.td
+++ tools/llvm-objcopy/StripOpts.td
@@ -71,6 +71,11 @@
       HelpText<"Remove all local symbols except file and section symbols">;
 def x : Flag<["-"], "x">, Alias<discard_all>;
 
+def regex
+    : Flag<["-", "--"], "regex">,
+      HelpText<"Permit regular expressions in name comparison">;
+def w : Flag<["-"], "w">, Alias<regex>;
+
 def version : Flag<["-", "--"], "version">,
               HelpText<"Print the version and exit.">;
 def V : Flag<["-"], "V">, Alias<version>;