[ python-Bugs-1448325 ] re search infinite loop

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Bugs item #1448325, was opened at 2006-03-12 09:46
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Category: Regular Expressions
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Don Allen (donallen)
Assigned to: Gustavo Niemeyer (niemeyer)
Summary: re search infinite loop

Initial Comment:
Given the attached test.csv file, the following program
loops forever (can't even ^c):

import re

orig = open('test.csv')

file_contents = orig.read()
orig.close()

find_line = re.compile(r'^(".*")?(,(".*")?)*\n')
search_result = find_line.search(file_contents)
print search_result.span()

The corresponding tcl program works correctly:

set orig [open test.csv r]

set file_contents [read $orig]
close $orig

regexp -indices {^(".*")?(,(".*")?)*\n} $file_contents
\ indices
puts "Indices were $indices"

Both tests were run on a TP G41 running Gentoo Linux.



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