Generalize regex_replace_ex() function

1 files changed, 27 insertions, 0 deletions

diff --git a/libbutl/regex.ixx b/libbutl/regex.ixx
new file mode 100644
index 0000000..dd3ad1d
--- /dev/null
+++ b/libbutl/regex.ixx
@@ -0,0 +1,27 @@
+// file      : libbutl/regex.ixx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <utility> // move(), make_pair()
+
+namespace butl
+{
+  template <typename C>
+  inline std::pair<std::basic_string<C>, bool>
+  regex_replace_ex (const std::basic_string<C>& s,
+                    const std::basic_regex<C>& re,
+                    const std::basic_string<C>& fmt,
+                    std::regex_constants::match_flag_type flags)
+  {
+    using namespace std;
+
+    using it = typename basic_string<C>::const_iterator;
+
+    basic_string<C> r;
+    bool match (regex_replace_ex (s, re, fmt,
+                                  [&r] (it b, it e) {r.append (b, e);},
+                                  flags));
+
+    return make_pair (move (r), match);
+  }
+}