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Top Forums Shell Programming and Scripting Bash regex evaluation not workin Post 302968426 by lramirev on Wednesday 9th of March 2016 11:37:17 AM
Old 03-09-2016
Unquoting redex worked

Quote:
Originally Posted by MadeInGermany
Within [[ ]] the pattern/ERE must not be quoted (unless you want to inhibit all special meaning).
Code:
[[ "$1" =~ ^[0-9]+$ ]]

Also there is no need to quote the LHS.
Thank you. I just noticed your reply and yes, it needs to be unquoted.

Code:
# [[ "1420088400" =~ ^[0-9]+$ ]] && echo true || echo false
true
# [[ "1 day ago" =~ ^[0-9]+$ ]] && echo true || echo false
false

Thabnk you again
 

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DATE_PARSE_FROM_FORMAT(3)						 1						 DATE_PARSE_FROM_FORMAT(3)

date_parse_from_format - Get info about given date formatted according to the specified format

SYNOPSIS
array date_parse_from_format (string $format, string $date) DESCRIPTION
Returns associative array with detailed info about given date. PARAMETERS
o $format - Format accepted by DateTime.createFromFormat(3). o $date - String representing the date. RETURN VALUES
Returns associative array with detailed info about given date. EXAMPLES
Example #1 date_parse_from_format(3) example <?php $date = "6.1.2009 13:00+01:00"; print_r(date_parse_from_format("j.n.Y H:iP", $date)); ?> The above example will output: Array ( [year] => 2009 [month] => 1 [day] => 6 [hour] => 13 [minute] => 0 [second] => 0 [fraction] => [warning_count] => 0 [warnings] => Array ( ) [error_count] => 0 [errors] => Array ( ) [is_localtime] => 1 [zone_type] => 1 [zone] => -60 [is_dst] => ) SEE ALSO
DateTime.createFromFormat(3), checkdate(3). PHP Documentation Group DATE_PARSE_FROM_FORMAT(3)
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