More About Regular Expression Patterns in MySQL | REGEXP in MySQL | MySQL Regular Expression Concept скачать в хорошем качестве

More About Regular Expression Patterns in MySQL | REGEXP in MySQL | MySQL Regular Expression Concept

In this video we'll see: Regular Expression in MySQL | REGEXP in MySQL | MySQL Regular Expressions Concept | MySQL REGEXP What are regular expressions? ================================= A regular expression is a special string that describes a search pattern. It is a powerful tool that gives you a concise and flexible way to identify strings of text e.g., characters, and words, based on patterns. A regular expression uses its own syntax that can be interpreted by a regular expression processor. A regular expression is widely used in almost platforms from programming languages to databases including MySQL. The advantage of using regular expression is that you are not limited to search for a string based on a fixed pattern with the percent sign (%) and underscore (_) in the LIKE operator. The regular expressions have more meta-characters to construct flexible patterns. The abbreviation of regular expressions is regex or regexp. MySQL REGEXP operator ===================== MySQL adapts the regular expression implemented by Henry Spencer. MySQL allows you to match pattern right in the SQL statements by using REGEXP operator. Syntax ======= SELECT column_list FROM table_name WHERE string_column REGEXP pattern; Meta character Behaviour ========================== ^ matches the position at the beginning of the searched string $ matches the position at the end of the searched string . matches any single character […] matches any character specified inside the square brackets [^…] matches any character not specified inside the square brackets p1|p2 matches any of the patterns p1 or p2 matches the preceding character zero or more times matches preceding character one or more times {n} matches n number of instances of the preceding character {m,n} matches from m to n number of instances of the preceding character SOCIAL : =============== Subscribe :    / owthub   FACEBOOK :   / owthub   TWITTER:   / owthub   BLOG: https://onlinewebtutorhub.blogspot.in/ UDEMY: https://www.udemy.com/user/online-web... Other Tutorials =============== Wordpress Customizations: --------------------------------- Wordpress Theme (Hindi): https://goo.gl/MZ8maF Wordpress Widget (Hindi): https://goo.gl/Dc2htn Wordpress Plugin (English): https://goo.gl/BA7dYG Wordpress Theme Options (English): https://goo.gl/Vjv3Ub Wordpress JSON Rest API (English): https://goo.gl/SVQRQR Wordpress JSON Rest API (Hindi): https://goo.gl/NNWfKa and many more... Javascript framework: ---------------------------------- Learn backbone.js here! (English) : https://goo.gl/Qd2Pcs Learn Vue JS here ! (Hindi): https://goo.gl/MVtsmh PHP Frameworks: ---------------------------------- Laravel tutorial (Hindi): https://goo.gl/Nh9qJk CakePHP tutorial (Hindi): https://goo.gl/uRsS3G Tags: ---------------------------------- mysql regular expressions, learn mysql regular expressions, regular expression details step by step by mysql regular expression tutorial in mysql, complete details about regular expressions in mysql, regular expressions in mysql beginners tutorial, mysql regular expressions step by step, mysql regexp tutorial, simple and easy mysql regular expressions, online web tutor Thanks Online Web Tutor Keep learning and Sharing :)