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How to use regular expressions in MySQL database queries?

(Free programming example written by Anton Zamov.
Find more free examples on "The ultimate source for developers" )

One of the things I like the most in MySQL is
the possibility to use regular expressions in the SQL

A very simple example illustrating this is to select
all the records from MyTable for which MyField starts with "A"
Please take a look to the list below in order to find more information
for the available options

MySQL Regular Expressions

Matches zero or more instances of the string preceding it

Matches one or more instances of the string preceding it

Matches zero or one instances of the string preceding it

Matches any single character
Matches any of x, y, or z (the characters within the brackets)
Matches any uppercase letter
 Matches any lowercase letter
Matches any digit

Anchors the match from the beginning

Anchors the match to the end

Separates strings in the regular expression
String must occur at least n times, but no more than n 
String must occur exactly n times
String must occur at least n times

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