# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"(?<=Total\sDue).*"
test_str = (" Invoice\n\n"
"From: Invoice Number INV-3337\n"
"DEMO - Sliced Invoices Order Number 12345\n"
"Suite 5A-1204 Invoice Date January 25, 2016\n"
"123 Somewhere Street Due Date January 31, 2016\n"
"Your City AZ 12345 Total Due $93.50\n"
"admin@slicedinvoices.com\n\n"
"To:\n"
" Paid\n"
"Test Business\n"
"123 Somewhere St\n"
"Melbourne, VIC 3000\n"
"test@test.com\n\n"
" Hrs/Qty Service Rate/Price Adjust Sub Total\n"
" 1.00 Web Design $85.00 0.00% $85.00\n"
" This is a sample description...\n\n"
" Sub Total $85.00\n"
" Tax $8.50\n"
" Total $93.50\n\n"
"ANZ Bank\n"
"ACC # 1234 1234\n"
"BSB # 4321 432\n\n"
"Payment is due within 30 days from date of invoice. Late payment is subject to fees of 5% per month.\n"
"Thanks for choosing DEMO - Sliced Invoices | admin@slicedinvoices.com\n"
"Page 1/1")
matches = re.finditer(regex, test_str, re.MULTILINE)
for matchNum, match in enumerate(matches, start=1):
print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group()))
for groupNum in range(0, len(match.groups())):
groupNum = groupNum + 1
print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum)))
# Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html