modem-helpers: new common CMTI regex getter

src/mm-modem-helpers.c

@@ -556,6 +556,17 @@ mm_3gpp_cusd_regex_get (void)
 
 /*************************************************************************/
 
+GRegex *
+mm_3gpp_cmti_regex_get (void)
+{
+    return g_regex_new ("\\r\\n\\+CMTI: \"(\\S+)\",(\\d+)\\r\\n",
+                        G_REGEX_RAW | G_REGEX_OPTIMIZE,
+                        0,
+                        NULL);
+}
+
+/*************************************************************************/
+
 static gulong
 parse_uint (char *str, int base, glong nmin, glong nmax, gboolean *valid)
 {