Thanks for the report - I think I have a fix for this, we're simply not recognizing \A as meaning match at the start of input (which both Python and .NET recognize so it's just a matter of letting us pass it through).
From: [email protected] [mailto:[email protected]] On Behalf Of Lukas Cenovsky Sent: Friday, May 07, 2010 9:47 AM To: [email protected] Subject: [IronPython] Formating Decimal numbers / re.match bug Hi all, formating Decimals does not work in IronPython: IronPython 2.6.1 (2.6.10920.0) on .NET 2.0.50727.4927 Type "help", "copyright", "credits" or "license" for more information. >>> from decimal import Decimal >>> '{0:3.6f}'.format(Decimal('3.5')) Traceback (most recent call last): File "<stdin>", line unknown, in <module> File "C:\src\python\decimal.py", line 3486, in __format__ File "C:\src\python\decimal.py", line 5416, in _parse_format_specifier ValueError: Invalid format specifier: 3.6f It works in CPython: Python 2.6.5 (r265:79096, Mar 19 2010, 18:02:59) [MSC v.1500 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> from decimal import Decimal >>> '{0:3.6f}'.format(Decimal('3.5')) '3.500000' It looks more like re bug because _parse_format_specifier_regex.match(format_spec) returns None in IronPython. -- -- Lukáš
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