This week's book giveaway is in the Big Data forum.
We're giving away four copies of Elasticsearch in Action and have Radu Gheorghe & Matthew Lee Hinman on-line!
See this thread for details.
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 Elasticsearch in Action this week in the Big Data 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: 10394

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?