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Message-ID: <1469555.Cl2dHhCXWe@PointedEars.de>
From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Reply-To: Thomas 'PointedEars' Lahn <cljs@PointedEars.de>
Organization: PointedEars Software (PES)
Date: Sat, 03 Nov 2012 21:39:43 +0100
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Subject: Re: Good use of bitwise NOT "~" or unnecessary obfuscation?
Newsgroups: comp.lang.javascript
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Patricia Shanahan wrote:

> On 11/3/2012 2:19 AM, Thomas 'PointedEars' Lahn wrote:
>> Insufficient expressiveness or excessive verbosity means you have to
>> write longer expressions for rather simply concepts.  Consider, for
                                            ^e
>> example, POSIX `[[:space:]]' vs. Perl/PCRE `\s'.  Consider POSIX Basic
>> Regular Expressions (BRE) `\{0,1\}' vs. POSIX Extended Regular
>> Expressions (ERE)'s and Perl's/Perl-Compatible Regular Expressions
>> (PCRE)'s `?'.  Consider POSIX BRE `\{1,\}' vs. ERE's/Perl's/PCRE's `+'.
>> [...]
> 
> Why do you prefer terse expressions? To me, `[[:space:]]' says what it
> means far more clearly than `\s'.

I do prefer

  m{\s?(Captain's\s+Log)\s?}

over

  '[[:space:]]\{0,1\}\(Captain'\''s[[:space:]]\{1,\}Log\)[[:space:]]\{0,1\}'

YMMV.


PointedEars
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