hachoir-regex 1.0.5

Regex manipulation Python library
hachoir-regex application is regex manipulation Python library. It's used by hachoir-subfile for fast pattern matching (find file header).

Examples

Regex creation

>>> from hachoir_core.regex import parse, createString
>>> createString("bike") | createString("motor")
< RegexOr '(bike|motor)' >
>>> createString("big ") + createString("bike")
< RegexString 'big bike' >
>>> r=parse('(cat|horse)')
>>> r.minLength(), r.maxLength()
(3, 5)


Optimizations

>>> from hachoir_core.regex import parse, createString
>>> parse("(ma|mb|mc)")
< RegexAnd 'm[a-c]' >
>>> createString("moto") | parse("mot.")
< RegexAnd 'mot.' >


Pattern matching

from hachoir_core.regex import PatternMatching
p = PatternMatching()
p.addString("un", 1)
p.addString("deux", 2)
p.addRegex("(trois|three)", 3)
for start, end, item in p.search("un deux trois"):
print "%r at %s: user=%r" % (item, start, item.user)


find

< StringPattern 'un' > at 0: user=1
< StringPattern 'deux' > at 3: user=2
< RegexPattern 't(rois|hree)' > at 8: user=3

last updated on:
January 28th, 2010, 12:52 GMT
price:
FREE!
developed by:
Victor Stinner
homepage:
hachoir.org
license type:
GPL (GNU General Public License) 
category:
ROOT \ Text Editing&Processing \ Others

FREE!

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user rating 11

2.9/5
 

0/5

What's New in This Release:
  • Create a MANIFEST.in to include extra files: regex.rst, test_doc.py, etc.
  • Create an INSTALL file
read full changelog

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