java脚本中的正则表达式只接受0-9连字符和没有空格的字母表中的数字

Question

i have try lot but fail any one if give such regular expression give also detail
Different Possibility are

12-er-34

or it may be like

woc-ii-98

expression must contain numeric number but its not necessary to take hyphen in every expression.i need this to onblur function of input when user enter text and go to other if the text match the regular expression its ok else alert text not allowd

Answer 1

Try something like

([a-zA-Z0-9]{2,3}\-[a-zA-Z]{2,3}\-[0-9]{2}) 

I'm no regex expert but it seems to work in the testing tool i have :)