I have several alphanumeric strings like these
listOfNum = [\'000231512-n\',\'1209123100000-n00000\',\'alphanumeric0000\', \'000alphanumeric\']
Did you try with strip() :
listOfNum = ['231512-n','1209123100000-n00000','alphanumeric0000', 'alphanumeric'] print [item.strip('0') for item in listOfNum] >>> ['231512-n', '1209123100000-n', 'alphanumeric', 'alphanumeric']