http://stackoverflow.com/questions/16001848/sql-command-can-

CREATE TABLE test (
  `id` INT AUTO_INCREMENT,
  `sentence` VARCHAR(255),
  PRIMARY KEY (`id`)
);


INSERT INTO test (sentence) VALUES
('This is a web page'),
('This is spiderweb'),
('Here is a webspider'),
('create anyWebPage'),
('web in the beginning'),
('in the end web'),
('werid ,web.');

SELECT * FROM test WHERE sentence REGEXP '([^[:alnum:]]|^)web([^[:alnum:]]|$)'