Testing jQuery

Regular Expression Testing

 

 
    In this document, there is a lot of text that can be matched  
    using regex. The benefit of using a regular expression is much  
    more flexible — albeit complex — syntax for text  
    pattern matching. 

 

 
    After you get the hang of regular expressions, also called  
    regexes, they will become a powerful tool for pattern matching. 

 

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CHAPTER 9 
■ 
PERFORMING FORM VALIDATION WITH REGULAR EXPRESSIONS 
 
317 
TEST_DATA; 
 
/* 
 * Use str_ireplace() to highlight any occurrence of the word 
 * "regular" 
 */ 
echo str_ireplace("regular", "regular", $string); 
 
/* 
 * Use preg_replace() to highlight any occurrence of the word 
 * "regular" 
 */ 
echo preg_replace("/regular/i", "regular", $string); 
 
?> 
 
 

 
/* 
 * Store the sample set of text to use for the examples of regex 
 */ 
$string = <<