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| From: | Chris F.A. Johnson |
| Subject: | Re: [Help-bash] regex for allowed names of bash variables |
| Date: | Thu, 31 Dec 2015 03:23:02 -0500 (EST) |
| User-agent: | Alpine 2.10 (DEB 1266 2009-07-14) |
On Wed, 30 Dec 2015, Peng Yu wrote:
Hi, I want to know the exact definition of allowed as bash variable names. Could anybody know the regex for it?
[[ ${var^^} =~ ^[A-Z_][A-Z0-9_]*$ ]]
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Chris F.A. Johnson, <http://cfajohnson.com>
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