sly001 wrote:Can anyone write a regex to match any email address where the three parts repeat, like firstname.lastname@example.org or email@example.com or firstname.lastname@example.org. Each part can consist of upper/lower letters and numerals and be of any length. The only constants are the @ and the dot.
Here is the list of characters that need to be escaped to use them as normal literals:
Opening square bracket [
Dollar sign $
Period or dot .
Vertical bar or pipe symbol |
Question mark ?
Asterisk or star *
Plus sign +
Opening round bracket ( and the closing round bracket )
These special characters are often called "metacharacters".
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