Get the tools you need to learn Java skills fast!
Video tutorials, eBooks, hands-on lab exercises, sample code.
Get started
The moose likes Java in General and the fly likes identify data type in string? Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login

Win a copy of Badass: Making Users Awesome this week in the Game Development forum!
JavaRanch » Java Forums » Java » Java in General
Bookmark "identify data type in string?" Watch "identify data type in string?" New topic

identify data type in string?

Kaustubh G Sharma
Ranch Hand

Joined: May 13, 2010
Posts: 1281

hi ...

I got a string related quesiton .........

if i have a string ="sdfdsdssdfsd34324efgegdf"

and i have to make sure that this will not contain any numeric values...number should not be there or only number required then in such case how am I provie type safty to string ...........


No Kaustubh No Fun, Know Kaustubh Know Fun..
Jaikiran Pai

Joined: Jul 20, 2005
Posts: 10403

So you want to check whether a string contains (or doesn't contain) numbers? You can do that in multiple ways, one of them being through Java regex Pattern

[My Blog] [JavaRanch Journal]
Martin Vanyavchich
Ranch Hand

Joined: Sep 16, 2008
Posts: 241
The other way is to go trough the whole string and look for digits.


I no good English.
Kaustubh G Sharma
Ranch Hand

Joined: May 13, 2010
Posts: 1281

Thanks Friends
I agree. Here's the link:
subject: identify data type in string?