[Assorted-commits] SF.net SVN: assorted:[1045] sandbox/trunk/src/py/string_literal_regex.py

[<yan...@us...>]

Revision: 1045
          http://assorted.svn.sourceforge.net/assorted/?rev=1045&view=rev
Author:   yangzhang
Date:     2008-11-01 19:37:03 +0000 (Sat, 01 Nov 2008)

Log Message:
-----------
added demo of parsing string literals

Added Paths:
-----------
    sandbox/trunk/src/py/string_literal_regex.py

Added: sandbox/trunk/src/py/string_literal_regex.py
===================================================================
--- sandbox/trunk/src/py/string_literal_regex.py	                        (rev 0)
+++ sandbox/trunk/src/py/string_literal_regex.py	2008-11-01 19:37:03 UTC (rev 1045)
@@ -0,0 +1,6 @@
+from re import *
+target = r'abc "def \"happy\" ghi" jkl "mno\\ pqr\\"'
+pat = r'"((?:[^"\\]|\\.)*)"|((?:[^\\\s]|\\.)+)(?:\s+|\s*$)'
+for m in finditer(pat, target):
+    [x] = [x for x in m.groups() if x is not None]
+    print sub(r'\\(.)', r'\1', x.strip('"'))


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