RegExp for forms

Phone number

Primary phone number, fixed line including land code ex +3211223344. 

^(\+32|\+33|\+31|\+49|\+352)([0-9]{8,11})$

Zip code

Zip code:  3800 for Sint-Truiden(B), L-5427 for Luxemburg, NL-1014BH for Holland, D-12345 for Germany,F-62345 for France. 

^(L(-|\s)[0-9]{4}|B(-|\s)[0-9]{4}|NL(-|\s)[0-9]{4}(-|\s?)[A-Z]{2}|D(-|\s)[0-9]{5}|F(-|\s)[0-9]{5})$

ON-ONL

^((ON|OT|on|ot)([0-9]{1})(([A-Z]{1,3})|([a-z]{1,3}))|((ONL|onl)([0-9]{1,5})))$

Remove Leading en trailing spaces

^[ \t]+|[ \t]+$