In picture 1, I want to match the first parts of Gmails, It worked. But when I used Negative Lookahead in picture 2 in order to match the first parts of the anothers, It didn’t work. Tell me why, please!!!
Thank you so much!
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Try putting the @ in a positive look ahead, it is matching everything because you are checking "not space not followed by @gmail.com", well, the whole mail is not followed by @gmail.com
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[^\s]+(?!@gmail\.com)(?=@[a-z0-9]+\.[a-z0-9]+)
This is solved. Thank you!
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