E-Mail Validation in forms PHP regex

Matches ::: paragrafo6o par123 par 89 par.21...

Insert GROUP BY statement for parameter (if there is already another "GROUP BY")

Insert GROUP BY statement for a parameter (if no previous "GROUP BY" is present)

Insert GROUP BY statement for parameter (if there is no "GROUP BY" yet)

all variable names are found in method signature and listed csv list is generated a column of variable names preceded with line comment signt (') is generated

Password Validation Must Begin with a letter Must be at least 8 characters long Must contain at least one upper case character Must contain at least one lower case character...