Regex

Text

http://stackoverflow.com/questions/10281962/is-there-a-minlength-validation-attribute-in-html5

Double (price)

http://stackoverflow.com/questions/17299330/javascript-regex-validating-a-double-float

http://jsfiddle.net/NfMQ7/178/

Latitude longitude coordinates

http://stackoverflow.com/questions/3518504/regular-expression-for-matching-latitude-longitude-coordinates

Int

http://stackoverflow.com/questions/7036324/what-is-the-regex-for-any-positive-integer-excluding-0