[docs] [issue11239] regexp-howto - add missing } to metachars

[Ezio Melotti]

Ezio Melotti <ezio.melotti at gmail.com> added the comment:

Actually '}' is not a metachar, the metachars should be only "|()[{.+*?^$\".

>>> re.match('^a+(}+)b+$', 'aaaa}}}}}bbb')
<_sre.SRE_Match object at 0xb77aa860>
>>> re.match('^a+(}+)b+$', 'aaaa}}}}}bbb').group(1)
'}}}}}'

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nosy: +ezio.melotti

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