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NumberUnFormat(inStr[, default_value])

Last updated December 23, 2002

author

Shawn Seley

Version: 1 | Requires: CF5 | Library: StrLib

Description:
Removes all non-essential formatting from a number. If no number exists then returns the raw string, or (if specified) the optional default value. Similar to Mark Andrachek's GetNumbers, but preserves minus signs and always keeps the decimal places, and provides exceptions for entirely non-numeric strings. (Note: numbers in scientific notation will not work with this function.)

Return Values:
Returns a number or string.

Example:

<cfoutput>
NumberUnFormat("-10")<br>
#NumberUnFormat("-10")#<br>
<br>
NumberUnFormat("1.5432%")<br>
#NumberUnFormat("1.5432%")#<br>
<br>
NumberUnFormat("$1,499.95")<br>
#NumberUnFormat("$1,499.95")#<br>
<br>
NumberUnFormat("down 3 points")<br>
#NumberUnFormat("down 3 points")#<br>
<br>
NumberUnFormat("&lt;b&gt;3,000,000&lt;/b&gt;")<br>
#NumberUnFormat("<b>3,000,000</b>")#<br>
<br>
NumberUnFormat("no digits")<br>
#NumberUnFormat("no digits")#<br>
<br>
NumberUnFormat("no digits", "0.00")<br>
#NumberUnFormat("no digits", "0.00")#<br>
</cfoutput>

Parameters:

Name Description Required
inStr String to format. Yes
default_value Used if the formatted string is empty. Defaults to inStr. No

Full UDF Source:

/**
 * Removes all non-essential formatting from a number.
 * 
 * @param inStr 	 String to format. (Required)
 * @param default_value 	 Used if the formatted string is empty. Defaults to inStr. (Optional)
 * @return Returns a number or string. 
 * @author Shawn Seley (shawnse@aol.com) 
 * @version 1, December 23, 2002 
 */
function NumberUnFormat(inStr) {
	var outNum = 0;
	var default_value = inStr;

	if(ArrayLen(Arguments) GTE 2) default_value = Arguments[2];

	outNum = REReplace(inStr,"[^0-9\.\-]",'','ALL');
	if (Len(outNum) LT 1) {
		outNum = default_value;
	}

	return outNum;
}
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