Match multiline regex in file object
- by williamx
How can I extract the groups from this regex from a file object (data.txt)?
import numpy as np
import re
import os
ifile = open("data.txt",'r')
# Regex pattern
pattern = re.compile(r"""
^Time:(\d{2}:\d{2}:\d{2}) # Time: 12:34:56 at beginning of line
\r{2} # Two carriage return
\D+ # 1 or more non-digits
storeU=(\d+\.\d+)
\s
uIx=(\d+)
\s
storeI=(-?\d+.\d+)
\s
iIx=(\d+)
\s
avgCI=(-?\d+.\d+)
""", re.VERBOSE | re.MULTILINE)
time = [];
for line in ifile:
match = re.search(pattern, line)
if match:
time.append(match.group(1))
The problem in the last part of the code, is that I iterate line by line, which obviously doesn't work with multiline regex. I have tried to use pattern.finditer(ifile) like this:
for match in pattern.finditer(ifile):
print match
... just to see if it works, but the finditer method requires a string or buffer.
I have also tried this method, but can't get it to work
matches = [m.groups() for m in pattern.finditer(ifile)]
Any idea?
