modem-helpers: new method to get common CUSD regex

src/mm-modem-helpers.c

@@ -488,6 +488,17 @@ mm_3gpp_ciev_regex_get (void)
 
 /*************************************************************************/
 
+GRegex *
+mm_3gpp_cusd_regex_get (void)
+{
+    return g_regex_new ("\\r\\n\\+CUSD:\\s*(.*)\\r\\n",
+                        G_REGEX_RAW | G_REGEX_OPTIMIZE,
+                        0,
+                        NULL);
+}
+
+/*************************************************************************/
+
 static gulong
 parse_uint (char *str, int base, glong nmin, glong nmax, gboolean *valid)
 {

src/mm-modem-helpers.h

@@ -66,6 +66,8 @@ gboolean mm_3gpp_parse_creg_response (GMatchInfo *info,
 
 GRegex *mm_3gpp_ciev_regex_get (void);
 
+GRegex *mm_3gpp_cusd_regex_get (void);
+
 const char *mm_strip_tag (const char *str, const char *cmd);
 
 gboolean mm_cdma_parse_spservice_response (const char *reply,