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The program also allows for more elaborate queries by using a system called "regular expressions". The PHP script uses the PERL-compatible syntax.
In order to signal to the program that you want to use this system, put a sharp sign (#) before the query. Here are a few examples:
#[ai]maf$ finds all phile/phobe pairs.
!#^van.*[áéíú]$ finds all verbs that begin with the prefix "van-" or the syllable "van". (Note the exclamation mark that signals that the diacritics have to be taken into account.)
#(.{3,})\1 finds all words that contain a repetition of a group of at least 3 characters, among which the numeral derivates like barbaraf.
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