Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    private static String getNumericPrefix(String string) {
        StringBuffer numeric = new StringBuffer();

        if (string != null) {
            string = string.trim();

            if (string.length() > 0) {

                StringBuffer buffer = new StringBuffer(string);
                char first = buffer.charAt(0);

                if (Character.isDigit(first)) {
                    numeric.append(first);

                    for (int i = 1; i < buffer.length(); i++) {
                        Character next = buffer.charAt(i);

                        if (Character.isDigit(next)) {
                            numeric.append(next);

                            // skip commas within numbers
                        } else if (next.equals(',')) {
                            continue;

                        } else {
                            break;
                        }
                    }
                }
            }
        }

        return numeric.length() == 0 ? null : numeric.toString();
    }
}