関連ワード:  python regex check if substring exists    python regex check if string contains    python regex check if string contains only specific characters    python regex check if string contains special characters    python regex check if string contains only numbers    python regex check if string contains word    python regex check if string contains letters    python regex check if string contains numbers    python regex check if string contains characters    python regex check if string contains only letters  
結果 : python regex check if substring exists