Mysql regexp - SQL REGEXP
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MySQL REGEXP_INSTR() Function
sql
MySQL Tutorial => REGEXP / RLIKE
MySQL REGEXP (Regular Expression) Operators
MySQL REGEXP Error
pos: The position in expr at which to start the search.
operator, the Spencer library matches line-terminator characters carriage return, newline anywhere in string expressions, including in the middle.
We can provide an additional parameter to refine the regular expression by using the match type arguments.
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For example, you might want to extract all the occurrences of a particular word sequence from a block of text.
quantifier matches with zero or one occurrence of the string preceding to it.
Equivalent to [a-z], [A-Z] and [0-9] [[:alpha:]] Alpha - any letter.
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