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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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Input 1
1
New
Strings with negative numbers do not match. Leading 0's do not match, except when a number is 0. 0, 0, 0 211, 111, 011 000, 160, 255 Strings with a numeric value over 255 do not match 255, 255, 255 255, 255, 256 4-Digit numbers will not match 1, 11, 111 11, 111, 1111 Strings that contain more, or less, than 3 numbers, do not match. Strings with dangling commas do not match. 111, 122, 133 111, 122, 133, 144 111, 122, 133, 111, 122 111 Numbers 0-9 are valid as long as the numbers they are used to form are between 0 and 255 209, 183, 245
Substitution
Strings with negative numbers do not match. Leading 0's do not match, except when a number is 0. 0, 0, 0 211, 111, 011 000, 160, 255 Strings with a numeric value over 255 do not match 255, 255, 255 255, 255, 256 4-Digit numbers will not match 1, 11, 111 11, 111, 1111 Strings that contain more, or less, than 3 numbers, do not match. Strings with dangling commas do not match. 111, 122, 133 111, 122, 133, 144 111, 122, 133, 111, 122 111 Numbers 0-9 are valid as long as the numbers they are used to form are between 0 and 255 209, 183, 245