Source Code : Predefined Characters and Classes

PHP Is Open Source Programming Language You Can Download and use It, You required xampp server and wamp server . You download From xampp server from https://www.apachefriends.org/download.html. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://php.net/. Click Here or search from google with Libraries Name you get jar file related it and also http://php.net/ is a official site

Predefined Characters and Classes

Character Meaning

a        Beep


        Newline character


        Carriage return

	        Tab

f        Formfeed

e        Escape

d        Digit (same as [0-9])

D        Nondigit character (same as [^0-9])

w        Word character (same as [a-zA-Z0-9_])

W        Nonword character

s        White-space character (same as [ 	

f])

S        Non White-space character

xX       Hexadecimal digit

cX       Matches the corresponding control character
           
       

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