Jakarta Regexp 1.5 Backreferences?

Jakarta Regexp 1.5 Backreferences?

By : user3861231
Date : November 19 2020, 07:01 PM
wish helps you Why does this match: , Try it with this target string:
code :

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Get more backreferences from regexp than parenthesis

Get more backreferences from regexp than parenthesis

By : venkatesh deshpande
Date : March 29 2020, 07:55 AM
hope this fix your issue You can use a lookahead to validate the input while you extract the matches:
code :
Negative backreferences in MySQL REGEXP

Negative backreferences in MySQL REGEXP

By : user2436196
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , MySQL uses a Posix Extended Regular Expression engine (POSIX ERE) and therefore doesn't support backreferences at all. It also doesn't support lookaround which you would need in order to construct a single regex that could handle this.
Therefore you have to spell out all possible combinations:
code :
Why wont this simple Jakarta Regexp class run?

Why wont this simple Jakarta Regexp class run?

By : user2686149
Date : March 29 2020, 07:55 AM
will help you Is the current directory in your classpath?
RegExp: backreferences inside []

RegExp: backreferences inside []

By : Will
Date : March 29 2020, 07:55 AM
will help you ,
Why does [^\1]+ instead of [^"]+ make RegExp greedy?
code :
How do I use more than nine backreferences in Notepad++ regexp?

How do I use more than nine backreferences in Notepad++ regexp?

By : TPG
Date : March 29 2020, 07:55 AM
Hope this helps If I use a long regular expression in Notepad++, i.e.: , You can use curly braces for this:
code :
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