[Esip-discovery] DCP-5

Ian Truslove ian.truslove at nsidc.org
Tue May 15 18:36:23 EDT 2012

>I love the pattern expression idea, but there is a lot of variation
>amongst "flavors" as to exactly which regex components are supported. See
>the table at: http://www.regular-expressions.info/refflavors.html

Good catch, and that looks like a good reference.

>So, we should standardize on which flavor as well. Perhaps the same as
>what HTML 5 is using? (What are they using?)

Looks like HTML5 uses the ECMAScript flavor
n-attribute and 
  The ECMAScript flavor looks like a subset of both the Java and .NET
flavors, so any server implementations on those stacks should be able to
support all the valid ECMAScript-compatible regexes.  That sounds like a
good choice to me.

tl;dr: Yes, let's use the ECMAScript regular expression syntax as the
'flavor' of regex to use.


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