checks the email string for valid

Pattern that matches all expression that not include a subexpression. The subexpression could be replaced by a string.

Sva slova Latinice od 4-20 karaktera

Format: +3816...

Find and replace string which contains hypens "-"

Matches unfilled placeholders and (nested) placeholder blocks

/[123]+(123)*2/ Input: 1,2,3,4,5,6,7,8,9,0,10,11,12,13,14,15,16 Find: 12

any more? tell me by email.