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November 9, 2023 04:21
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Regex for valid email address excluding specific free domains, like Gmail, GMX and Yahoo. Extend the list of domains according to your own requirements.
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| ^([\w.-]+)@(\[(\d{1,3}\.){3}|(?!hotmail|gmail|googlemail|yahoo|gmx|ymail|outlook|bluewin|protonmail|t\-online|web\.|online\.|aol\.|live\.)(([a-zA-Z\d-]+\.)+))([a-zA-Z]{2,4}|\d{1,3})(\]?)$ |
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.net What you have hear "^([\w.-]+)@([(\d{1,3}.){3}|(?!hotmail|gmail|googlemail|yahoo|gmx|ymail|outlook|bluewin|protonmail|t-online|web.|online.|aol.|live.)(([a-zA-Z\d-]+.)+))([a-zA-Z]{2,4}|\d{1,3})(]?)$" works well with exception of case sensitivity. gMail, oUtlook etc. Thank you