Extracting the Ingredients from a Recipe with Regular Expressions，,import sysim
Extracting the Ingredients from a Recipe with Regular Expressions，,import sysim
import sysimport repat = r'<ingredients>((.|\n)*?)</ingredients>'filename = sys.argv[1]data = open(filename).read()m = re.search(pat,data)if not m: print 'No ingredients found' print sys.exit(1)ingredients = m.group(1)pat = r'<item\s.*?>(.*?)</item>'all = re.findall(pat,ingredients)for item in all: print item
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