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Title	Test Details Pattern Title
Expression	^#?([a-f]|[A-F]|[0-9]){3}(([a-f]|[A-F]|[0-9]){3})?$
Description	Tests for valid HTML hexadecimal color codes. The # symbol is optional. And it will except either the 3 digit form for the 216 Web safe colors, or the full 6 digit form. I am use it on my site to allow users to customize the site's colors.
Matches	#00ccff | #039 | ffffcc
Non-Matches	blue | 0x000000 | #ff000
Author	Rating: Chris Craft

Title	Test Details Pattern Title
Expression	^\$[0-9]+(\.[0-9][0-9])?$
Description	Validates a dollar amount including a dollar sign and 2 decmals. The decimal and cents are optional.
Matches	$1.50 | $49 | $0.50
Non-Matches	1.5 | $1.333 | this $5.12 fails
Author	Rating: Not yet rated. Bob Levittan

Title	Test Details Pattern Title
Expression	\b(([01]?\d?\d|2[0-4]\d|25[0-5])\.){3}([01]?\d?\d|2[0-4]\d|25[0-5])\b
Description	Most Concise RegExp for matching Decimal IPs. If nothing else, it'll make your code easier to read. (And I know that \d?\d is \d{1,2} but that's 2 extra characters.) --Update: darkone noticed 8 characters could be shaved down. I've edited it to reflect this. Thanks, darkone!
Matches	217.6.9.89 | 0.0.0.0 | 255.255.255.255
Non-Matches	256.0.0.0 | 0978.3.3.3 | 65.4t.54.3
Author	Rating: Sean Schricker

Title	Test Details Pattern Title
Expression	^\d*\.?((25)|(50)|(5)|(75)|(0)|(00))?$
Description	This is a pattern to search and verify that a decimal number ends with a 25, 50, 75, 0 or 00. It does match for a nothing after decimal also but I guess thats ok !!
Matches	0.25 | .75 | 123.50
Non-Matches	.77 | 1.435
Author	Rating: narsi v

Title	Test Details Pattern Title
Expression	^(\d{1,3}'(\d{3}')*\d{3}(\.\d{1,3})?|\d{1,3}(\.\d{3})?)$
Description	This regex match numeric data in the following format: thousands are separated by (') apostrophe, decimal places are separated by dot (.) Maximum three decimal places are not required. It's easy to change to other separators as well.
Matches	1'235.140 | 1'222'333.120 | 456
Non-Matches	1234.500 | 78'45.123 | 123,0012
Author	Rating: Not yet rated. Dalibor Kalna

Title	Test Details Pattern Title
Expression	^[-+]?\d+(\.\d+)?$
Description	This matches any real number, with optional decimal point and numbers after the decimal, and optional positive (+) or negative (-) designation.
Matches	123 | -123.45 | +123.56
Non-Matches	123x | .123 | -123.
Author	Rating: Not yet rated. Steven Smith

Title	Test Details Pattern Title
Expression	^\d{0,2}(\.\d{1,2})?$
Description	This regular expression validates that the data entered is a number with a maximum of two integers and two decimals and a minimum of one integer or one decimal.
Matches	99.99 | 99 | .99
Non-Matches	999.999 | 999 | .999
Author	Rating: Jaime Borges

Title	Test Details Pattern Title
Expression	^([0-9a-fA-F][0-9a-fA-F]:){5}([0-9a-fA-F][0-9a-fA-F])$
Description	This will grep for a valid MAC address , with colons seperating octets. It will ignore strings too short or long, or with invalid characters. It will accept mixed case hexadecimal. Use extended grep.
Matches	01:23:45:67:89:ab | 01:23:45:67:89:AB | fE:dC:bA:98:76:54
Non-Matches	01:23:45:67:89:ab:cd | 01:23:45:67:89:Az | 01:23:45:56:
Author	Rating: Not yet rated. Ted Rudyk

Title	Test Details Pattern Title
Expression	^[0-9](\.[0-9]+)?$
Description	matches non-negative decimal floating points numbers less than 10
Matches	1.2345 | 0.00001 | 7
Non-Matches	12.2 | 1.10.1 | 15.98
Author	Rating: Snikwad Kcirtap

Title	Test Details Pattern Title
Expression	(?!^0*$)(?!^0*\.0*$)^\d{1,5}(\.\d{1,3})?$
Description	This regular expression validates a number NOT 0, with no more than 5 places ahead and 3 places behind the decimal point.
Matches	1 | 12345.123 | 0.5
Non-Matches	0 | 0.0 | 123456.1234
Author	Rating: Michael Trefry

Title	Test Details Pattern Title
Expression	^[+-]?([0-9]*\.?[0-9]+|[0-9]+\.?[0-9]*)([eE][+-]?[0-9]+)?$
Description	A regular expression that matches numbers. Integers or decimal numbers with or without the exponential form.
Matches	23 | -17.e23 | +.23e+2
Non-Matches	+.e2 | 23.17.5 | 10e2.0
Author	Rating: Erik Pettersson

Title	Test Details Pattern Title
Expression	^\$?([1-9]{1}[0-9]{0,2}(\,[0-9]{3})*(\.[0-9]{0,2})?|[1-9]{1}[0-9]{0,}(\.[0-9]{0,2})?|0(\.[0-9]{0,2})?|(\.[0-9]{1,2})?)$
Description	Many currency expresssions allow leading zeros, thus $01.40 passes thru them. This expression kills them, except for 0 in the one's column. Works with or without commas and/or dollar sign. Decimals not mandatory, unless no zero in ones column and decimal point is placed. Allows $0.00 and .0 Keywords: money dollar currency
Matches	$1,234.50 | $0.70 | .7
Non-Matches	$0,123.50 | $00.5
Author	Rating: Tom Persing

Title	Test Details Pattern Title
Expression	^\d*[0-9](|.\d*[0-9]|,\d*[0-9])?$
Description	This is permit all decimal number, exclude all alphanumeric caracter
Matches	123456.123456 | 123456,123456 | 123456
Non-Matches	123a.123 | 123a,123 | a
Author	Rating: Not yet rated. Hugues Gauthier

Title	Test Details Pattern Title
Expression	(^\d*\.?\d*[1-9]+\d*$)|(^[1-9]+\d*\.\d*$)
Description	Accepts only positive decimal values. Zero and negatvie numbers are non-matching. Allows zeros after last non-zero numeric value after decimal place for significant digits.
Matches	0.050 | 5.0000 | 5000
Non-Matches	0 | 0.0 | .0
Author	Rating: Not yet rated. Bri Gipson

Title	Test Details Pattern Title
Expression	(^-\d*\.?\d*[1-9]+\d*$)|(^-[1-9]+\d*\.\d*$)
Description	Accepts only negative decimal values. Zero and positive numbers are non-matching. Allows zeros after last non-zero numeric value after decimal place for significant digits.
Matches	-0.050 | -5.000 | -5
Non-Matches	0 | 0.0 | .0
Author	Rating: Not yet rated. Bri Gipson

Title	Test Details Pattern Title
Expression	^(\d|,)*\.?\d*$
Description	Matches Numeric with Commas and a single decimal point. Also matches empty string.
Matches	1,000 | 3,000.05 | 5,000,000
Non-Matches	abc | $100,000 | Forty
Author	Rating: Not yet rated. Kevin Read

Title	Test Details Pattern Title
Expression	^\d{0,2}(\.\d{1,4})? *%?$
Description	An expression for .NET regular expression validation controls intended to faciliate the entry of percentage values both a whole numbers or as their decimal representations. Also compatible with the default US format for string formatting for percentages. Recommend that if you intended accept a value passing this express that you strip the percentage signs and take measures to ensure that any whole values are converted to percentages.
Matches	4.0% | 0.45 | .0345
Non-Matches	123 | %12
Author	Rating: brent stineman

Title	Test Details Pattern Title
Expression	^(\d|-)?(\d|,)*\.?\d*$
Description	Input for Numeric values. Handles negatives, and comma formatted values. Also handles a single decimal point
Matches	5,000 | -5,000 | 100.044
Non-Matches	abc | Hundred | 1.3.4
Author	Rating: Kevin Read

Title	Test Details Pattern Title
Expression	^\s*(?'num'\d+(\.\d+)?)\s*(?'unit'((w(eek)?)|(wk)|(d(ay)?)|(h(our)?)|(hr))s?)(\s*$)
Description	Validates Microsoft Project-type duration entries. Accepts a number and a unit. The number part can be integer or decimal. The unit can be several variations of weeks, days, and hours: e.g., w, wk, week, ws, wks, weeks are all valid. Whitespace between the number and the unit is optional: e.g., 1d, 2 days, 3.5w are all valid. Captures the number value in a group named num and the unit string in a group named 'unit'.
Matches	1 day | 3.5 w | 6hrs
Non-Matches	1 | 6. days | 1 week 2 d
Author	Rating: Not yet rated. Steve Fisher

Title	Test Details Pattern Title
Expression	^([0-9]*|\d*\.\d{1}?\d*)$
Description	Accept only (0-9) integer and one decimal point(decimal point is also optional).After decimal point it accepts at least one numeric .This will be usefull in money related fields or decimal fields.
Matches	.568 | 8578 | 1234567.1234567
Non-Matches	568. | 56.89.36 | 5.3.6.9.6
Author	Rating: Not yet rated. sanjayanthan vijayakeerthi