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PHP Regular Expressions

PHP Regular Expressions
How many functions does PHP offer for searching strings using POSIX style regular expression?

8
7
9
10

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PHP Regular Expressions
POSIX implementation was deprecated in which version of PHP?

PHP 5.2
PHP 4
PHP 5.3
PHP 5

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PHP Regular Expressions
Which one of the following preg PHP function is used to do a find and replace on a string or an array?

preg_replace()
preg_find()
preg_findre()
preg_find_replace()

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PHP Regular Expressions
What will be the output of the following PHP code?
echo str_pad("Salad", 5)." is good.";

is good Salad
is good SaladSaladSaladSaladSalad
Salad is good
SaladSaladSaladSaladSalad is good

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PHP Regular Expressions
Which among the following is/are not a metacharacter?
1. /a
2. /A
3. /b
4. /B

Only 1
2, 3 and 4
1 and 3
2 and 4

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PHP Regular Expressions
How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

7
10
9
8

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