Swift regular expression format?

Question

I\'m familiar with doing pcre regexes, however they don\'t seem to work in swift.

^([1-9]\\d{0,2}(\\,\\d{3})*|([1-9]\\d*))(\\.\\d{2})?$

to

Answer 1

Within double quotes, a single backslash would be readed as an escape sequence. You need to escape all the backslashes one more time in-order to consider it as a regex backslash character.

"^([1-9]\\d{0,2}(,\\d{3})*|([1-9]\\d*))(\\.\\d{2})?$"