email property Null safety
read / write
Email regex
Implementation
static String email =
r'^[a-z0-9]+([-+._][a-z0-9]+){0,2}@.*?(\.(a(?:[cdefgilmnoqrstuwxz]|ero|(?:rp|si)a)|b(?:[abdefghijmnorstvwyz]iz)|c(?:[acdfghiklmnoruvxyz]|at|o(?:m|op))|d[ejkmoz]|e(?:[ceghrstu]|du)|f[ijkmor]|g(?:[abdefghilmnpqrstuwy]|ov)|h[kmnrtu]|i(?:[delmnoqrst]|n(?:fo|t))|j(?:[emop]|obs)|k[eghimnprwyz]|l[abcikrstuvy]|m(?:[acdeghklmnopqrstuvwxyz]|il|obi|useum)|n(?:[acefgilopruz]|ame|et)|o(?:m|rg)|p(?:[aefghklmnrstwy]|ro)|qa|r[eosuw]|s[abcdeghijklmnortuvyz]|t(?:[cdfghjklmnoprtvwz]|(?:rav)?el)|u[agkmsyz]|v[aceginu]|w[fs]|y[etu]|z[amw])\b){1,2}$';