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PHP Regular Expressions

PHP Regular Expressions
[:alpha:] can also be specified as.

[A-z]
[a-z]
[A-Za-z0-9]
[A-za-z]

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

8
10
7
9

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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_findre()
preg_find_replace()
preg_replace()
preg_find()

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PHP Regular Expressions
Say we have two compare two strings which of the following function/functions can you use?
1. strcmp()
2. strcasecmp()
3. strspn()
4. strcspn()

1 and 2
3 and 4
All of the mentioned
None of the mentioned

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PHP Regular Expressions
Which one of the following functions is used to search a string?

preg_search
preg_found
preg_match
preg_find

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PHP Regular Expressions
Which one of the following preg PHP functions is used to take a string, and put it in an array?

preg_unchain()
preg_divide()
preg_split()
preg_destroy()

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