javascript - js regular match specific string

Question

How to use js regular expression to match a text that contains   without ";" after it? ;I want to replace all " " in a paragraph with  ";"

Answer 1

Is this so?

" sdadsad&nbsp呵呵呵".replace(/(&nbsp)(?!;)/g,';')

Reference: http://www.cnblogs.com/deerch...

Answer 2

"&nbsp &nbsp+;sdadsad&nbsp呵呵呵".replace(/(&nbsp)(?!;)/g,';')