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Re: How to match the less-than symbol in regex?
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From: |
Greg Wooledge |
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Subject: |
Re: How to match the less-than symbol in regex? |
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Date: |
Wed, 18 Mar 2020 08:14:44 -0400 |
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User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Wed, Mar 18, 2020 at 08:05:29AM +0100, Andreas Kusalananda Kähäri wrote:
> On Tue, Mar 17, 2020 at 09:35:42PM -0400, Daniel Mills wrote:
> > $ [[ '9<' =~ ^([0-9]+)<$ ]]
> > -bash: syntax error in conditional expression: unexpected token `<'
> > -bash: syntax error near `^([0-9]+)<$'
>
>
> $ [[ '9<' =~ ^([0-9]+)'<'$ ]]; echo $?
> 0
Or:
re='^([0-9]+)<$'
[[ '9<' =~ $re ]]; echo $?