Is it because of a study with Perl? But Perl is the language of inline regular expressions, and it is natural to use delimiters to indicate the regular. Since PHP is used
pregSeries function processing, why do you use separators?
Python is also
: This article mainly introduces the php-preg-1, for PHP tutorials interested in students can refer. Q. Regular expression
Regular expressions are composed of three parts: atoms, metacharacters, and pattern correction. Atoms are common
Demo Code
Operation effect (Figure 1)
Operation effect (Figure 2)
Main Package function
Multi_process ();According to the parameters, create the number of pointers to the child process.Bright spot Function 1: The
Q. Regular Expressions
Regular expressions are made up of atoms, meta-characters, and pattern corrections in three parts. The atom is also the ordinary character.
Metacharacters
\d: Matches any decimal number [0-9]
\s: Matches any white space
delimitation Symbol :A variety of can, commonly used for//Atoms :The smallest matching unit (placed in the delimiter), in a regular expression, at least one atom1, print characters (A-Z a-z 0-9 [email protected]#$%^&* () _+ ... ) and nonprinting
In our last article we took a look at the introduction of the PHP regular expression, then since the beginning of the study, then we will start to learn the use of the PHP regular expression, then the following specific in PHP how to use it, this
In the programming of the basic will use regular expression to deal with the data, then the following specific in PHP how to use it, this article through concrete examples, to explain the use of the PHP expression in the method.
Recently, using PHP
In the use of regular expressions, I have been in the guerrilla, it is time to come up with a summary. Because of the irresistible reason of stupidity, can only choose to simply say, only write down the ASCII encoding character matching and
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