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Regular Expression
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^(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9]), (25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9]), (25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$
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gm
Input 1
New
Min val is 0. Leading zeros don't match unless the value is 0. 0, 0, 0 00, 0, 0 0, 0, 00 Max numeric number is 255, anything larger than 255 will not match. 255, 255, 255 255, 255, 256 4-Digit numbers will not match 1, 11, 111 11, 111, 1111 dangling commas do not match 45, 67, 89 45, 67, 89, Obviously if a dangling comma doesn't match, neither will 4 numbers. 1, 2, 3 1, 2, 3, 4 Two numbers do not match, and adding a space, or space & comma, doesn't match either. 0, 1, 2 0, 1 0, 1, 0, 1, Single numbers do not match; adding a space &/or comma, will not cause the single number to match. 9, 9, 9 9 9, 9,
Substitution
Min val is 0. Leading zeros don't match unless the value is 0. 0, 0, 0 00, 0, 0 0, 0, 00 Max numeric number is 255, anything larger than 255 will not match. 255, 255, 255 255, 255, 256 4-Digit numbers will not match 1, 11, 111 11, 111, 1111 dangling commas do not match 45, 67, 89 45, 67, 89, Obviously if a dangling comma doesn't match, neither will 4 numbers. 1, 2, 3 1, 2, 3, 4 Two numbers do not match, and adding a space, or space & comma, doesn't match either. 0, 1, 2 0, 1 0, 1, 0, 1, Single numbers do not match; adding a space &/or comma, will not cause the single number to match. 9, 9, 9 9 9, 9,