MySQL Fatal Error

Warning: mysqli_query(): (HY000/3685): Illegal argument to a regular expression. in /var/www/h77455/data/www/psyoffice.ru/engine/classes/mysqli.class.php on line 61 MySQL Fatal Error MySQL Error!
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The Error returned was:
Illegal argument to a regular expression.

Error Number:
3685

SELECT SQL_CALC_FOUND_ROWS id, autor, date, short_story, SUBSTRING(full_story, 1, 15) as full_story, xfields, title, category, alt_name, comm_num, allow_comm, allow_rate, rating, vote_num, news_read, flag, editdate, editor, reason, view_edit, tags FROM dle_post WHERE category regexp '[[:<:]](164|177|178|179|180|182|321|342|366|388|447|457|496|258|287|290|303|310|367|394|448|458|497|524|540|571|259|288|291|305|308|368|378|393|449|459|498|525|539|555|261|286|292|304|309|369|379|450|460|499|526|541|556|568|45|200|202|215|223|230|242|255|300|320|340|347|362|374|380|446|451|500|520|527|562|569|201|205|216|224|243|245|256|301|319|339|343|348|375|452|461|501|521|528|578|189|191|206|210|217|241|246|257|279|295|344|376|377|389|453|462|474|502|529|557|572|575|579|192|194|211|212|218|225|231|235|244|249|250|280|296|317|382|455|464|467|475|503|517|530|570|573|183|193|197|209|219|226|234|236|247|251|281|297|316|322|341|456|466|505|531|574|581|195|198|207|213|220|227|237|238|252|254|282|298|315|385|391|469|477|522|532|542|567|586|196|199|208|214|221|228|239|240|253|276|278|299|313|386|392|470|478|518|519|523|533|566|587|165|175|185|187|188|190|263|264|265|266|268|269|271|272|323|535|536|166|176|275|277|283|284|285|289|293|294|307|311|312|314|318|384|454|463|468|476|504|534|537|538|543|544|545|546|547|548|549|550|551|552|553|554)[[:>:]]' AND approve = '1' ORDER BY fixed desc, title ASC LIMIT 0,10