去除空格的函数

1.用于JS去除空格 

//Function trim a string
	function trim(Str , Flag)
	{
	
		Str	= ""+Str;
		if( Flag == "l" || Flag == "L" )/*trim left side only*/
		{
			RegularExp	= /^\s+/gi;
			return Str.replace( RegularExp,"" );
		}
		else if( Flag == "r" || Flag == "R" )/*trim right side only*/
		{
			RegularExp	= /\s+$/gi;
			return Str.replace( RegularExp,"" );
		}
		else/*defautly, trim both left and right side*/
		{
			RegularExp	= /^\s+|\s+$/gi;
			return Str.replace( RegularExp,"" );
		}
	}

2.用于java去除空格

/**
* 去string中的空格、换行符、制表符等 
* */
public static String replaceBlank(String str) {
	String dest = "";
	if (str!=null) {
		Pattern p = Pattern.compile("\\s*|\t|\r|\n");
		Matcher m = p.matcher(str);
		dest = m.replaceAll("");
	}
	return dest;
}