Question

11. The str_word_count() function returns the number of digits in a string. T/F [?]

12. The term parsing refers to the act of dividing a string into logical component substrings or tokens. T/F [?]

13. The strpos() function performs a case-sensitive search for specified characters in a string and returns the position of the first occurrence of a substring within a string. T/F [?]

14. The strchr() function or strrchr() function return a substring from the specified characters to the end of the string. T/F [?]

15. The strtok() function breaks a program into functions. T/F [?]

16. The syntax for the strtok() function is $variable=strtok(string, separators); T/F [?]

17. The explode() function splits a string into an indexed array at a specified separator. T/F [?]

18. The opposite of the explode() function is the implode() function. T/F [?]

19. ASCII stands for American Standard Code for Internet Information. T/F [?]

20. The strncmp() function and the strncasecmp() function contain a third argument specifying the [?] of characters to compare in the string.

21. The levenshtein() function returns the number of characters you need to change for two strings to be the same. T/F [?]

22. The soundex() function returns a value representing a name's phonetic equivalent. T/F [?]

23. A megaphone is an algorithm that returns a code for indexing words by their sound, when pronounced in English T/F [?]

24. Regular expressions are patterns that are used for matching and manipulating strings according to specified rules. T/F [?]

25. PHP support Perl Compatible Regular Expressions (PCRE). T/F [?]

26. Regular expression patterns are enclosed in opening and closing delimiters. T/F [?]

27. The metacharacter (.) matches any single character. T/F [?]

28. The metacharacter (^) anchors characters to the end of a string. T/F [?]

29. A(n) [?] specifies that a pattern must appear at that position in the string.

30. Metacharacters that specify the quantity of a match are called qualifiers. T/F [?]

Answer 1