Java Phone number removal IP number, +86__java

The recent project needs to filter the phone number, remove the IP number ("1790", "1791", "1793", "1795", "1796", "1797", "1799"), +86, and other prefixes, share with you.

Package com.example.offline; public class Trimnumbertest {private static final string[] IPPFXS4 = {"1790", "1791", "1793", "1795", "1796", "1797"
	, "1799"};
	private static final string[] IPPFXS5 = {"12583", "12593", "12589", "12520", "10193", "11808"};

	private static final string[] IPPFXS6 = {"118321"};  /** * @param args */public static void main (string[] args) {//TODO auto-generated Method Stub//test data String
		Telnum = "+8618611503575";
		System.out.println ("Before trim telnum=" + telnum);
		Telnum = Trimtelnum (telnum);
		
		System.out.println ("Trimtelnum telnum=" + telnum);
		Telnum = "008618611503575";
		System.out.println ("Before trim telnum=" + telnum);
		Telnum = Trimtelnum (telnum);

		System.out.println ("Trimtelnum telnum=" + telnum);
		Telnum = "17951+8618211503458";
		System.out.println ("Before trim telnum=" + telnum);
		Telnum = Trimtelnum (telnum);
		
		System.out.println ("Trimtelnum telnum=" + telnum);
		Telnum = "1795818211503458"; System.ouT.println ("Before trim telnum=" + telnum);
		Telnum = Trimtelnum (telnum);
		
		System.out.println ("Trimtelnum telnum=" + telnum);
		Telnum = "1252015611503575";
		System.out.println ("Before trim telnum=" + telnum);
		Telnum = Trimtelnum (telnum);
		
		System.out.println ("Trimtelnum telnum=" + telnum);
		Telnum = "11832115611503575";
		System.out.println ("Before trim telnum=" + telnum);
		Telnum = Trimtelnum (telnum);
		
		System.out.println ("Trimtelnum telnum=" + telnum);
		Telnum = "118321+8615611503575";
		System.out.println ("Before trim telnum=" + telnum);
		Telnum = Trimtelnum (telnum);
	System.out.println ("Trimtelnum telnum=" + telnum);  /** * Eliminates the possible IP number, +86, 0086 prefix in the phone number * * @param telnum * @return/public static string Trimtelnum (string Telnum) {if (Telnum = = NULL | |
			"". Equals (Telnum)) {System.out.println ("Trimtelnum is null");
		return null;
		String ippfx6 = substring (telnum,0, 6);
		String ippfx5 = substring (telnum,0, 5); String ippfx4 = suBstring (telnum,0, 4); if (Telnum.length () > 7 && (SUBSTRING (telnum, 5, 1). Equals ("0") | | substring (telnum, 5, 1). Equals ("1" ) || SUBSTRING (Telnum, 5, 3). Equals ("400") | |
			SUBSTRING (Telnum, 5, 3). Equals ("+86")) && (InArray (ippfx5, IPPFXS5) | | InArray (IPPFX4, IPPFXS4))
		Telnum = substring (telnum, 5); else if (Telnum.length () > 8 && (substring (telnum, 6, 1). Equals ("0") | | substring (telnum, 6, 1). Equal S ("1") | | SUBSTRING (telnum, 6, 3). Equals ("400") | | SUBSTRING (telnum, 6, 3). Equals ("+86")) && InArray (ippfx6, IPPFXS6)) Telnum = substring (telnum, 6)
		;
		Remove IP Dial telnum = telnum.replace ("-", "");

		Telnum = Telnum.replace ("", "");
		if (substring (telnum, 0, 4). Equals ("0086")) Telnum = substring (telnum, 4);
		else if (substring (telnum, 0, 3). Equals ("+86")) Telnum = substring (telnum, 3); else if (substring (telnum, 0, 5). Equals ("00186")) Telnum = substring (telnum, 5);
	return telnum;
		/** * Intercept String * @param s * @param from * @return/protected static string substring (string s, int from) {
		try {return s.substring (from);
		catch (Exception e) {e.printstacktrace ();
	Return "";
		protected static string substring (string s, int from, int len) {try {return s.substring (from, from + len);
		catch (Exception e) {e.printstacktrace ();
	Return ""; /** * Determines whether a string is in an array of strings * @param target * @param arr * @return/protected static Boolean InArray (string
		Target, string[] arr {if (arr = null | | | arr.length = = 0) {return false;
		} if (target = = null) {return false;
			for (String S:arr) {if (Target.equals (s)) {return true;
	return false;
 }
}