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Full Discussion: How to get exact match sentences?
Top Forums Shell Programming and Scripting How to get exact match sentences? Post 302227219 by era on Wednesday 20th of August 2008 10:23:12 PM
Old 08-20-2008
Your code looks okay, are you sure \b$regex\b really matches more than twice?
 

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LEARN ABOUT PHP

mb_regex_set_options

MB_REGEX_SET_OPTIONS(3) 						 1						   MB_REGEX_SET_OPTIONS(3)

mb_regex_set_options - Set/Get the default options for mbregex functions

SYNOPSIS

       string mb_regex_set_options ([string  $options = mb_regex_set_options()])

DESCRIPTION

	Sets the default options described by $options for multibyte regex functions.

PARAMETERS

	      o $options
		-  The	options to set. This is a string where each character is an option. To set a mode, the mode character must be the last one
		set, however there can only be set one mode but multiple options.

	      Regex options

	      +-------+-------------------------------+---+---+
	      |Option | 			      |   |   |
	      |       | 			      |   |   |
	      |       | 	   Meaning	      |   |   |
	      |       | 			      |   |   |
	      +-------+-------------------------------+---+---+
	      |  i    | 			      |   |   |
	      |       | 			      |   |   |
	      |       |      Ambiguity match on       |   |   |
	      |       | 			      |   |   |
	      |  x    | 			      |   |   |
	      |       | 			      |   |   |
	      |       | Enables extended pattern form |   |   |
	      |       | 			      |   |   |
	      |  m    | 			      |   |   |
	      |       | 			      |   |   |
	      |       | 			      |   |   |
	      |       |   '.' matches with newlines   |   |   |
	      |       | 			      |   |   |
	      |  s    | 			      |   |   |
	      |       | 			      |   |   |
	      |       | 			      |   |   |
	      |       |   '^' -> 'A', '$' -> ''    |   |   |
	      |       | 			      |   |   |
	      |  p    | 			      |   |   |
	      |       | 			      |   |   |
	      |       | Same as  both  the  m  and  s |   |   |
	      |       | options 		      |   |   |
	      |       | 			      |   |   |
	      |  l    | 			      |   |   |
	      |       | 			      |   |   |
	      |       |     Finds longest matches     |   |   |
	      |       | 			      |   |   |
	      |  n    | 			      |   |   |
	      |       | 			      |   |   |
	      |       |     Ignores empty matches     |   |   |
	      |       | 			      |   |   |
	      |  e    | 			      |   |   |
	      |       | 			      |   |   |
	      |       |    eval(3) resulting code     |   |   |
	      |       | 			      |   |   |
	      +-------+-------------------------------+---+---+
	      Regex syntax modes

	      +-----+----------------------------+---+---+
	      |Mode |				 |   |	 |
	      |     |				 |   |	 |
	      |     |	       Meaning		 |   |	 |
	      |     |				 |   |	 |
	      +-----+----------------------------+---+---+
	      | j   |				 |   |	 |
	      |     |				 |   |	 |
	      |     | Java (Sun java.util.regex) |   |	 |
	      |     |				 |   |	 |
	      | u   |				 |   |	 |
	      |     |				 |   |	 |
	      |     |	      GNU regex 	 |   |	 |
	      |     |				 |   |	 |
	      | g   |				 |   |	 |
	      |     |				 |   |	 |
	      |     |		 grep		 |   |	 |
	      |     |				 |   |	 |
	      | c   |				 |   |	 |
	      |     |				 |   |	 |
	      |     |		Emacs		 |   |	 |
	      |     |				 |   |	 |
	      | r   |				 |   |	 |
	      |     |				 |   |	 |
	      |     |		 Ruby		 |   |	 |
	      |     |				 |   |	 |
	      | z   |				 |   |	 |
	      |     |				 |   |	 |
	      |     |		 Perl		 |   |	 |
	      |     |				 |   |	 |
	      | b   |				 |   |	 |
	      |     |				 |   |	 |
	      |     |	  POSIX Basic regex	 |   |	 |
	      |     |				 |   |	 |
	      | d   |				 |   |	 |
	      |     |				 |   |	 |
	      |     |	 POSIX Extended regex	 |   |	 |
	      |     |				 |   |	 |
	      +-----+----------------------------+---+---+
RETURN VALUES

	The previous options. If $options is omitted, it returns the string that describes the current options.

SEE ALSO

       mb_split(3), mb_ereg(3), mb_eregi(3).

PHP Documentation Group 												   MB_REGEX_SET_OPTIONS(3)
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