I want a regex to validate inputs of the form AABBAAA, where A is a a letter (a-z, A-Z) and B is a digit (0-9). All the As must be the same, and so must the Bs.
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I want a regex to validate inputs of the form AABBAAA, where A is a a letter (a-z, A-Z) and B is a digit (0-9). All the As must be the same, and so must the Bs.
If all the A‘s and B‘s are supposed to be the same, I think the only way to do it would be:
Where \1 and \2 refer to the first and second parenthetical groupings. However, I don’t think all regex engines support this.