Using Regular Expressions to Extract a Value in Java

Question

I have several strings in the rough form:

[some text] [some number] [some more text]

I want to extract the text in [some number] using the

Answer 1

How about [^\\d]*([0-9]+[\\s]*[.,]{0,1}[\\s]*[0-9]*).* I think it would take care of numbers with fractional part. I included white spaces and included , as possible separator. I'm trying to get the numbers out of a string including floats and taking into account that the user might make a mistake and include white spaces while typing the number.