Change jade "#{variable}" to "" + variable + ""

This regex is for validating Roumanian CNP ^[1-9]\d{2}(0[1-9]|1[0-2])(0[1-9]|[12]\d|3[01])(0[1-9]|[1-4]\d|5[0-2]|99)(00[1-9]|0[1-9]\d|[1-9]\d\d)\d$

Checking first character "+" or "0"

This regex find punctuation like "!", "!!!", "?", "???", "!?", "!!!???" and unlimited time repeated "!" and "?"

for validate alpha numric

for email validation

14 steps regex , filtering mobile number without + or 0

Very simple sanitizer. Will escape quotation marks, backslashes and apostrophes ("'\) in order reduce the risk of SQL injections. Please note that SQL versons that supports URL or other kinds of encoding may still be vanurable.