//Regular Expressions List

//Short Tutorial 

\	// the escape character - used to find an instance of a metacharacter like a period, brackets, etc.
.	// match any character except newline
x	// match any instance of x
^x	// match any character except x
[x]	// match any instance of x in the bracketed range - [abxyz] will match any instance of a, b, x, y, or z
|	// an OR operator - [x|y] will match an instance of x or y
()	// used to group sequences of characters or matches
{}	// used to define numeric quantifiers
{x}	// match must occur exactly x times
{x,}	// match must occur at least x times
{x,y}	// match must occur at least x times, but no more than y times
?	// preceding match is optional or one only, same as {0,1}
*	// find 0 or more of preceding match, same as {0,}
+	// find 1 or more of preceding match, same as {1,}
^	// match the beginning of the line
$	// match the end of a line

[:alpha:]	// Represents an alphabetic character. Use [:alpha:]+ to find one of them.
[:digit:]	// Represents a decimal digit. Use [:digit:]+ to find one of them.
[:alnum:]	// Represents an alphanumeric character ([:alpha:] and [:digit:]).
[:space:]	// Represents a space character (but not other whitespace characters).
[:print:]	// Represents a printable character.
[:cntrl:]	// Represents a nonprinting character.
[:lower:]	// Represents a lowercase character if Match case is selected in Options.
[:upper:]	// Represents an uppercase character if Match case is selected in Options.

\d	// matches a digit, same as [0-9]
\D	// matches a non-digit, same as [^0-9]
\s	// matches a whitespace character (space, tab, newline, etc.)
\S	// matches a non-whitespace character
\w	// matches a word character
\W	// matches a non-word character
\b	// matches a word-boundary (NOTE: within a class, matches a backspace)
\B	// matches a non-wordboundary

// http://regexlib.com
// http://net.tutsplus.com/tutorials/other/8-regular-expressions-you-should-know/

// Email address

	^[\\w\\-]+(\\.[\\w\\-]+)*@([A-Za-z0-9-]+\\.)+[A-Za-z]{2,4}$
	^[\w-]+(\.[\w-]+)*@([a-z0-9-]+(\.[a-z0-9-]+)*?\.[a-z]{2,6}|(\d{1,3}\.){3}\d{1,3})(:\d{4})?$ 
	^([\w\.*\-*]+@([\w]\.*\-*)+[a-zA-Z]{2,9}(\s*;\s*[\w\.*\-*]+@([\w]\.*\-*)+[a-zA-Z]{2,9})*)$	//List of semi-colon seperated email addresses
	^([a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4})*$

// IP Address

	^((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))*$

// Credit Cards

	^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6011[0-9]{12}|622((12[6-9]|1[3-9][0-9])|([2-8][0-9][0-9])|(9(([0-1][0-9])|(2[0-5]))))[0-9]{10}|64[4-9][0-9]{13}|65[0-9]{14}|3(?:0[0-5]|[68][0-9])[0-9]{11}|3[47][0-9]{13})*$

// Username of type test@test

	[^@/]+@[^@/]+

// Multiple spaces replacement

	\\s+

// Non-alphanumeric replacement

	[^a-zA-Z0-9]

// Blank line

	^$

// Positive integers

	^[1-9]+[0-9]*$

// Positive decimal values

	(^\d*\.?\d*[0-9]+\d*$)|(^[0-9]+\d*\.\d*$)

// Percentage (2 decimal places)

	^-?[0-9]{0,2}(\.[0-9]{1,2})?$|^-?(100)(\.[0]{1,2})?$

// State abbreviation
 
	[A-Z][A-Z]	//you may choose to put spaces either before or after the regex.

// Phone Numbers

	(^\+[0-9]{2}|^\+[0-9]{2}\(0\)|^\(\+[0-9]{2}\)\(0\)|^00[0-9]{2}|^0)([0-9]{9}$|[0-9\-\s]{10}$)

// City, State abbreviation 

	.*, [A-Z][A-Z]	

// Zip Code 

	[0-9]\{5\}(-[0-9]\{4\})?			//84094 or 84094-1234

// Social security number, such as: ###-##-#### 

	[0-9]\{3\}-[0-9]\{2\}-[0-9]\{4\}

// Dollar amounts, specified with a leading $ symbol 

	\$[0-9]*.[0-9][0-9]

// DATE

	[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}				//2003-08-06
	[A-Z][a-z][a-z] [0-9][0-9]*, [0-9]\{4\}				//Jan 3, 2003
	^(\d{1,2})\/(\d{1,2})\/(\d{2}|(19|20)\d{2})$			//DD/MM/YY or DD/MM/YYYY or MM/DD/YY or MM/DD/YYYY

// HTML Tags except <p> </p> 

	<(?>/?)(?!p).+?>

// Font Tags Replacement 

	<(FONT|font)([ ]([a-zA-Z]+)=("|')[^"\']+("|'))*[^>]+>([^<]+)(</FONT>|</font>

// URL 
	^http(s)?:\/\/((\d+\.\d+\.\d+\.\d+)|(([\w-]+\.)+([a-z,A-Z][\w-]*)))(:[1-9][0-9]*)?(\/([\w-.\/:%+@&=]+[\w- .\/?:%+@&=]*)?)?(#(.*))?$/i
 
// NOTEPAD ++ Replace 
// Insert a span in anchor 
	Find	: (<a.*>)(.*)</a>
	Replace	: \1<span class="icon3 pdf">\2</span></a>

Regular Expressions List

Short Tutorial 

\	the escape character - used to find an instance of a metacharacter like a period, brackets, etc.
.	match any character except newline
x	match any instance of x
^x	match any character except x
[x]	match any instance of x in the bracketed range - [abxyz] will match any instance of a, b, x, y, or z
|	an OR operator - [x|y] will match an instance of x or y
()	used to group sequences of characters or matches
{}	used to define numeric quantifiers
{x}	match must occur exactly x times
{x,}	match must occur at least x times
{x,y}	match must occur at least x times, but no more than y times
?	preceding match is optional or one only, same as {0,1}
*	find 0 or more of preceding match, same as {0,}
+	find 1 or more of preceding match, same as {1,}
^	match the beginning of the line
$	match the end of a line

[:alpha:]	Represents an alphabetic character. Use [:alpha:]+ to find one of them.
[:digit:]	Represents a decimal digit. Use [:digit:]+ to find one of them.
[:alnum:]	Represents an alphanumeric character ([:alpha:] and [:digit:]).
[:space:]	Represents a space character (but not other whitespace characters).
[:print:]	Represents a printable character.
[:cntrl:]	Represents a nonprinting character.
[:lower:]	Represents a lowercase character if Match case is selected in Options.
[:upper:]	Represents an uppercase character if Match case is selected in Options.

\d	matches a digit, same as [0-9]
\D	matches a non-digit, same as [^0-9]
\s	matches a whitespace character (space, tab, newline, etc.)
\S	matches a non-whitespace character
\w	matches a word character
\W	matches a non-word character
\b	matches a word-boundary (NOTE: within a class, matches a backspace)
\B	matches a non-wordboundary

http://regexlib.com
http://net.tutsplus.com/tutorials/other/8-regular-expressions-you-should-know/

Email address

	^[\\w\\-]+(\\.[\\w\\-]+)*@([A-Za-z0-9-]+\\.)+[A-Za-z]{2,4}$
	^[\w-]+(\.[\w-]+)*@([a-z0-9-]+(\.[a-z0-9-]+)*?\.[a-z]{2,6}|(\d{1,3}\.){3}\d{1,3})(:\d{4})?$ 
	^([\w\.*\-*]+@([\w]\.*\-*)+[a-zA-Z]{2,9}(\s*;\s*[\w\.*\-*]+@([\w]\.*\-*)+[a-zA-Z]{2,9})*)$	//List of semi-colon seperated email addresses
	^([a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4})*$

IP Address

	^((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))*$

Credit Cards

	^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6011[0-9]{12}|622((12[6-9]|1[3-9][0-9])|([2-8][0-9][0-9])|(9(([0-1][0-9])|(2[0-5]))))[0-9]{10}|64[4-9][0-9]{13}|65[0-9]{14}|3(?:0[0-5]|[68][0-9])[0-9]{11}|3[47][0-9]{13})*$

Username of type test@test

	[^@/]+@[^@/]+

Multiple spaces replacement

	\\s+

Non-alphanumeric replacement

	[^a-zA-Z0-9]

Blank line

	^$

Positive integers

	^[1-9]+[0-9]*$

Positive decimal values

	(^\d*\.?\d*[0-9]+\d*$)|(^[0-9]+\d*\.\d*$)

Percentage (2 decimal places)

	^-?[0-9]{0,2}(\.[0-9]{1,2})?$|^-?(100)(\.[0]{1,2})?$

State abbreviation
 
	[A-Z][A-Z]	//you may choose to put spaces either before or after the regex.

Phone Numbers

	(^\+[0-9]{2}|^\+[0-9]{2}\(0\)|^\(\+[0-9]{2}\)\(0\)|^00[0-9]{2}|^0)([0-9]{9}$|[0-9\-\s]{10}$)

City, State abbreviation 

	.*, [A-Z][A-Z]	

Zip Code 

	[0-9]\{5\}(-[0-9]\{4\})?			//84094 or 84094-1234

Social security number, such as: ###-##-#### 

	[0-9]\{3\}-[0-9]\{2\}-[0-9]\{4\}

Dollar amounts, specified with a leading $ symbol 

	\$[0-9]*.[0-9][0-9]

DATE

	[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}				//2003-08-06
	[A-Z][a-z][a-z] [0-9][0-9]*, [0-9]\{4\}				//Jan 3, 2003
	^(\d{1,2})\/(\d{1,2})\/(\d{2}|(19|20)\d{2})$			//DD/MM/YY or DD/MM/YYYY or MM/DD/YY or MM/DD/YYYY

HTML Tags except <p> </p> 

	<(?>/?)(?!p).+?>

Font Tags Replacement 

	<(FONT|font)([ ]([a-zA-Z]+)=("|')[^"\']+("|'))*[^>]+>([^<]+)(</FONT>|</font>

URL 
	^http(s)?:\/\/((\d+\.\d+\.\d+\.\d+)|(([\w-]+\.)+([a-z,A-Z][\w-]*)))(:[1-9][0-9]*)?(\/([\w-.\/:%+@&=]+[\w- .\/?:%+@&=]*)?)?(#(.*))?$/i
 
NOTEPAD ++ Replace 
Insert a span in anchor 
	Find	: (<a.*>)(.*)</a>
	Replace	: \1<span class="icon3 pdf">\2</span></a>

Regular Expressions List

Short Tutorial 

\		the escape character - used to find an instance of a metacharacter like a period, brackets, etc.
.		match any character except newline
x		match any instance of x
^x		match any character except x
[x]		match any instance of x in the bracketed range - [abxyz] will match any instance of a, b, x, y, or z
|		an OR operator - [x|y] will match an instance of x or y
()		used to group sequences of characters or matches
{}		used to define numeric quantifiers
{x}		match must occur exactly x times
{x,}	match must occur at least x times
{x,y}	match must occur at least x times, but no more than y times
?		preceding match is optional or one only, same as {0,1}
*		find 0 or more of preceding match, same as {0,}
+		find 1 or more of preceding match, same as {1,}
^		match the beginning of the line
$		match the end of a line

[:alpha:]	 Represents an alphabetic character. Use [:alpha:]+ to find one of them.
[:digit:]	 Represents a decimal digit. Use [:digit:]+ to find one of them.
[:alnum:]	 Represents an alphanumeric character ([:alpha:] and [:digit:]).
[:space:]	 Represents a space character (but not other whitespace characters).
[:print:]	 Represents a printable character.
[:cntrl:]	 Represents a nonprinting character.
[:lower:]	 Represents a lowercase character if Match case is selected in Options.
[:upper:]	 Represents an uppercase character if Match case is selected in Options.

\d	matches a digit, same as [0-9]
\D	matches a non-digit, same as [^0-9]
\s	matches a whitespace character (space, tab, newline, etc.)
\S	matches a non-whitespace character
\w	matches a word character
\W	matches a non-word character
\b	matches a word-boundary (NOTE: within a class, matches a backspace)
\B	matches a non-wordboundary

http://regexlib.com
http://net.tutsplus.com/tutorials/other/8-regular-expressions-you-should-know/

 Email address 

^[\\w\\-]+(\\.[\\w\\-]+)*@([A-Za-z0-9-]+\\.)+[A-Za-z]{2,4}$
^[\w-]+(\.[\w-]+)*@([a-z0-9-]+(\.[a-z0-9-]+)*?\.[a-z]{2,6}|(\d{1,3}\.){3}\d{1,3})(:\d{4})?$ 
^([\w\.*\-*]+@([\w]\.*\-*)+[a-zA-Z]{2,9}(\s*;\s*[\w\.*\-*]+@([\w]\.*\-*)+[a-zA-Z]{2,9})*)$		//List of semi-colon seperated email addresses
^([a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4})*$

 IP Address 

^((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))*$

 Credit Cards 

^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6011[0-9]{12}|622((12[6-9]|1[3-9][0-9])|([2-8][0-9][0-9])|(9(([0-1][0-9])|(2[0-5]))))[0-9]{10}|64[4-9][0-9]{13}|65[0-9]{14}|3(?:0[0-5]|[68][0-9])[0-9]{11}|3[47][0-9]{13})*$

 Username of type test@test 

[^@/]+@[^@/]+

 Multiple spaces replacement 

\\s+

 Non-alphanumeric replacement 

[^a-zA-Z0-9]

 Blank line 

^$

 Positive integers 

^[1-9]+[0-9]*$

 Positive decimal values 

(^\d*\.?\d*[0-9]+\d*$)|(^[0-9]+\d*\.\d*$)

 Percentage (2 decimal places) 

^-?[0-9]{0,2}(\.[0-9]{1,2})?$|^-?(100)(\.[0]{1,2})?$

 State abbreviation 

[A-Z][A-Z]							//you may choose to put spaces either before or after the regex.

 Phone Numbers 
(^\+[0-9]{2}|^\+[0-9]{2}\(0\)|^\(\+[0-9]{2}\)\(0\)|^00[0-9]{2}|^0)([0-9]{9}$|[0-9\-\s]{10}$)

 City, State abbreviation 

.*, [A-Z][A-Z]	

 Zip Code 

[0-9]\{5\}(-[0-9]\{4\})?			//84094 or 84094-1234

 Social security number, such as: ###-##-#### 

[0-9]\{3\}-[0-9]\{2\}-[0-9]\{4\}

 Dollar amounts, specified with a leading $ symbol 

\$[0-9]*.[0-9][0-9]

 Date 

[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}						//2003-08-06
[A-Z][a-z][a-z] [0-9][0-9]*, [0-9]\{4\}					//Jan 3, 2003
^(\d{1,2})\/(\d{1,2})\/(\d{2}|(19|20)\d{2})$			//DD/MM/YY or DD/MM/YYYY or MM/DD/YY or MM/DD/YYYY

 HTML Tags except <p> </p> 

<(?>/?)(?!p).+?>

 Font Tags Replacement 

<(FONT|font)([ ]([a-zA-Z]+)=("|')[^"\']+("|'))*[^>]+>([^<]+)(</FONT>|</font>

 URL 
 ^http(s)?:\/\/((\d+\.\d+\.\d+\.\d+)|(([\w-]+\.)+([a-z,A-Z][\w-]*)))(:[1-9][0-9]*)?(\/([\w-.\/:%+@&=]+[\w- .\/?:%+@&=]*)?)?(#(.*))?$/i
 
 #  NOTEPAD ++ Replace 
	 Insert a span in anchor 
	Find		: (<a.*>)(.*)</a>
	Replace	: \1<span class="icon3 pdf">\2</span></a>
 #

List of useful Regular Expressions

Regular Expressions List

Regular Expression