1 files changed, 42 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/uregexc.cpp b/intl/icu/source/i18n/uregexc.cpp
new file mode 100644
index 0000000000..8bdac19114
--- /dev/null
+++ b/intl/icu/source/i18n/uregexc.cpp
@@ -0,0 +1,42 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+*******************************************************************************
+*   Copyright (C) 2003-2006, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*******************************************************************************
+*   file name:   regexc.cpp
+*   description: The purpose of this function is to separate the codepage
+*       conversion from the rest of the uregex_ API. This can removes any
+*       dependency on codepage conversion, which reduces the overhead of 
+*/
+
+#include "unicode/uregex.h"
+#include "unicode/unistr.h"
+
+U_NAMESPACE_USE
+
+//----------------------------------------------------------------------------------------
+//
+//    uregex_openC
+//
+//----------------------------------------------------------------------------------------
+#if !UCONFIG_NO_CONVERSION && !UCONFIG_NO_REGULAR_EXPRESSIONS
+
+U_CAPI URegularExpression * U_EXPORT2
+uregex_openC( const char           *pattern,
+                    uint32_t        flags,
+                    UParseError    *pe,
+                    UErrorCode     *status) {
+    if (U_FAILURE(*status)) {
+        return nullptr;
+    }
+    if (pattern == nullptr) {
+        *status = U_ILLEGAL_ARGUMENT_ERROR;
+        return nullptr;
+    }
+
+    UnicodeString patString(pattern);
+    return uregex_open(patString.getBuffer(), patString.length(), flags, pe, status);
+}
+#endif