5 String utilities methods - Dustbiin

1) Check mobile number is valid or not

 public boolean isValidMobile( final String inMobile )
    {
        Pattern pattern = Pattern.compile( "[6-9][0-9]{9}" );
        Matcher matcher = pattern.matcher( inMobile );
        if ( matcher.matches() )
        {
            return true;
        }
        else
        {
            return false;
        }
    }

2) Check PIN code is valid or not

  public boolean isValidPinCode( final String inStr )
    {
        final String str = inStr.trim();
        final String rule = "[0-9]{6}$";
        final Pattern pattern = Pattern.compile( rule );
        final Matcher matcher = pattern.matcher( str );
        if ( matcher.matches() )
            return true;
        else
            return false;
    }

3) Array to string with separator by comma

public String arrayToStringWithComma( String str[] )
    {
        String processedString = "";
        processedString = Arrays.toString( str ).replace( "[", "" ).replace( "]", "" ).replace( " ", "" );
        processedString = "," + processedString + ",";
        return processedString;
    }

4) Remove unused element from start and end of the string

public String removeCommaStartEnd( String str, String element )
    {
        if ( !str.equal("") && !element.equal("") )
        {
            str = StringUtils.removeStart( str, "," );
            str = StringUtils.removeEnd( str, "," );
            str.replace( " ", "" );
        }
        return str;
    }

5) String to Array

public String[] commaStringToArray( String str, String sepatator )
    {
        if ( !str.equal("") && !element.equal("") )
        {
             str = StringUtils.removeStart( str, sepatator);
             str = StringUtils.removeEnd( str, sepatator );
             str = str.replace( " "+sepatator+"" );
             System.out.println( "string is:" + str );
             String str2[] = str.split( sepatator);
             return str2;
        }
    }