Regular expression for retrieving a number from a String




Below is the sample code.
         String X = "Your payment request has been accepted for processing.
                           Your confirmation number for this payment request is : 006993                           Please allow up to three business days for this payment to be "

 final Pattern p = Pattern.compile("(\\s\\d+)");
final Matcher m = p.matcher(x);
while(m.find()){
String str1 = m.group().trim();
System.out.println("PPPPPPPPPPPPPPPPP "+str1);
         }

In the above code, we are using
1. class Pattern
2. In class Patter using method compile
3. In the method, use the regular expression "\\s\\d+" (here \\s represents space and \\d represents digits and using + it will retrieve the digit till it ends. If + sign is not used only one digit is displayed).




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