(PHP 5 >= 5.2.0, PHP 7)
This iterator can be used to filter another iterator based on a regular expression.
$iterator , string $regex [, int $mode = self::MATCH [, int $flags = 0 [, int $preg_flags = 0 ]]] )public accept ( ) : bool
public getFlags ( ) : int
public getMode ( ) : int
public getPregFlags ( ) : int
public getRegex ( ) : string
public setFlags ( int $flags ) : void
public setMode ( int $mode ) : void
public setPregFlags ( int $preg_flags ) : void
public abstract FilterIterator::accept ( ) : bool
public FilterIterator::__construct ( Iterator $iterator )
public FilterIterator::current ( ) : mixed
public FilterIterator::getInnerIterator ( ) : Iterator
public FilterIterator::key ( ) : mixed
public FilterIterator::next ( ) : void
public FilterIterator::rewind ( ) : void
public FilterIterator::valid ( ) : bool}
RegexIterator::ALL_MATCHESReturn all matches for the current entry (see preg_match_all()).
RegexIterator::GET_MATCHReturn the first match for the current entry (see preg_match()).
RegexIterator::MATCHOnly execute match (filter) for the current entry (see preg_match()).
RegexIterator::REPLACEReplace the current entry (see preg_replace(); Not fully implemented yet)
RegexIterator::SPLITReturns the split values for the current entry (see preg_split()).
RegexIterator::USE_KEYSpecial flag: Match the entry key instead of the entry value.
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https://www.php.net/manual/en/class.regexiterator.php