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33 lines
1.8 KiB
PHP
33 lines
1.8 KiB
PHP
--TEST--
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Test preg_replace() function : basic
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--FILE--
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<?php
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$string = '123456789 - Hello, world - This is a string.';
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var_dump($string);
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var_dump(preg_replace('<- This is a string$>',
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'This shouldn\'t work', $string)); //tries to find '- This is a string' at the end of a string but can't so replaces nothing and prints the unchanged $string.
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var_dump(preg_replace('<[0-35-9]>',
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'4', $string, //finds any number that's not 4 and replaces it with a 4
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'5', $count)); //limits to 5 replacements returns 444444789
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var_dump($count); //counts the number of replacements made (5)
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var_dump(preg_replace('<\b[hH]\w{2,4}>',
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'Bonjour', $string)); //finds h or H at the beginning of a word followed by 2-4 characters and replaces it with Bonjour (i.e. Hello -> Bonjour) (was finding the 'his' in This and replacing it)
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var_dump(preg_replace('<(\w)\s*-\s*(\w)>',
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'\\1. \\2', $string)); //finds dashes with an indefinite amount of whitespace around them and replaces them with a full stop precedeby no spaces and followed by one space
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var_dump(preg_replace('<(^[a-z]\w+)@(\w+)\.(\w+)\.([a-z]{2,}$)>',
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'\\1 at \\2 dot \\3 dot \\4', 'josmessa@uk.ibm.com')); //finds the e-mail address and replaces the @ and . with "at" and "dot" (uses backreferences) ('josmessa at uk dot ibm dot com')
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?>
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--EXPECT--
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string(54) "123456789 - Hello, world - This is a string."
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string(54) "123456789 - Hello, world - This is a string."
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string(54) "444444789 - Hello, world - This is a string."
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int(5)
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string(56) "123456789 - Bonjour, world - This is a string."
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string(42) "123456789. Hello, world. This is a string."
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string(30) "josmessa at uk dot ibm dot com"
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