Test for a number in bash

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bash regular-expression numeric-data syntax

                          Is this the correct way to test for a number,  with double [[]] enclosing :digit: and single quotes surrounding the regex ?

    if [[ "$var" =~ '^[[:digit:]]+$' ]]; then

Asked by Vera (1363 rep)

Jan 29, 2023, 03:30 AM
Last activity: Jan 29, 2023, 09:36 AM

Test for a number in bash

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