Regular expressions consist of literal characters and ____________________, which are special characters that define the pattern matching rules in an expression.
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Q58: The _ function randomly scrambles the order
Q59: In PHP, the escape character is the
Q60: The strcmp() function performs a _ comparison
Q61: The circumflex character (^) used in a
Q62: The strncmp() function and the strncasecmp() function
Q64: The argument you pass to the strlen()
Q65: The _ quantifier specifies that one or
Q66: A(n) _ specifies that a pattern must
Q67: The _ function is used to return
Q68: A()n) _ hash is a fixed length
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