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Home/ Questions/Q 727783
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Editorial Team
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Editorial Team
Asked: May 14, 20262026-05-14T06:36:24+00:00 2026-05-14T06:36:24+00:00

I use this condition to check if the value is alphanumeric values: $value =~

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I use this condition to check if the value is alphanumeric values:

$value =~ /^[a-zA-Z0-9]+$/

How can I modify this regex to account for a possible dot . in the value without accepting any other special characters?

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  1. Editorial Team
    Editorial Team
    2026-05-14T06:36:25+00:00Added an answer on May 14, 2026 at 6:36 am
    $value =~ /^[a-zA-Z0-9.]+$/
    
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