diff --git a/create_samplesheet.py b/create_samplesheet.py
index cadcef6..abc49d3 100755
--- a/create_samplesheet.py
+++ b/create_samplesheet.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 import argparse, os, tempfile, json, re, logging, sys
-VERSION="0.2"
+VERSION="0.3"
 
 # Consts
 MODE_STRING_CSV = 0
@@ -18,6 +18,11 @@ def __init__(self, name, path, data):
         self.path = path
         self.data = data
 
+def sanitize_input(input_str, disallowed_chars = [',', ' ', '<', '>', '.', "'", '"', ';', ':'], replcement='_'):
+    for i in disallowed_chars:
+        input_str = input_str.replace(i, '_')
+    return input_str
+
 def sample_name(aa_seq, seq_chars=6):
     trunc_aa_seq = aa_seq[:min(seq_chars, len(aa_seq))]
     return trunc_aa_seq