1f113a15a2cbcbdfeb4040188432cd3d013a57be
hiram
  Mon Jun 27 14:56:13 2016 -0700
allow chain/net coloring of contig based assemblies with WGS naming schemes refs #17580

diff --git src/lib/common.c src/lib/common.c
index 4191577..e0a2159 100644
--- src/lib/common.c
+++ src/lib/common.c
@@ -2182,30 +2182,48 @@
 char *in, *out;
 char c;
 
 in = out = s;
 for (;;)
     {
     c = *in++;
     if (c == 0)
 	break;
     if (!isspace(c))
 	*out++ = c;
     }
 *out++ = 0;
 }
 
+/* Remove any chars leaving digits only */
+void eraseNonDigits(char *s)
+{
+char *in, *out;
+char c;
+
+in = out = s;
+for (;;)
+    {
+    c = *in++;
+    if (c == 0)
+        break;
+    if (isdigit(c))
+        *out++ = c;
+    }
+*out = 0;
+}
+
 /* Remove non-alphanumeric chars from string */
 void eraseNonAlphaNum(char *s)
 {
 char *in, *out;
 char c;
 
 in = out = s;
 for (;;)
     {
     c = *in++;
     if (c == 0)
         break;
     if (isalnum(c))
         *out++ = c;
     }