Re: [rules-users] mvel regex not working???
Yes, the drools parser is more restrictive in that point as to avoid
mistakes.
Just a minor comment on your e-mails, this is purely a drools parser
issue, and not an mvel issue. If you select java dialect, but uses the
matches/not matches operator, it will be executed by java underneath (not
mvel), but the parser is the one that builds the string to be sent to the
java for processing.
We thought it was much more readable to use non-escaped '\' than doing
it the java way. Imagine some not-so-techie users having to deal with the
sequences of '\' that sometimes we need to deal with in java regexps.
[]s
Edson
2007/11/15, Carlsen, Len [EMAIL PROTECTED]:
Thanks a lot Edson. I had escaped characters that don't need to be
escaped which works in Java but not in mvel (error: no viable alternative at
character '\').
Java: ^[a-zA-Z0-9\\#]$
mvel: ^[a-zA-Z0-9#]$
Len
--
*From:* [EMAIL PROTECTED] [mailto:
[EMAIL PROTECTED] *On Behalf Of *Edson Tirelli
*Sent:* Thursday, November 15, 2007 7:47 AM
*To:* Rules Users List
*Subject:* Re: [rules-users] mvel regex not working???
Len,
When you use code inside eval(), it is executed in the chosen dialect
(default is java). So, the regexp of your first rule is parsed and executed
in java and is correct.
When you use code outside eval(), it is parsed by the Drools parser and
the drools parser do not require the extra '\' to escape escape-codes. See
the examples bellow:
java: ^[a-zA-Z0-9\\!\\#\\$\\%\\]
equivalent drools regexp: ^[a-zA-Z0-9\!\#\$\%\]
If you change your regexp to use single '\' instead of double, it
should work fine.
[]s
Edson
2007/11/14, Carlsen, Len [EMAIL PROTECTED]:
Hi,
I have an email validation regex where the mvel matches doesn't seem to
work. I have created 2 rules where test1 uses the Java String matches and
test2 uses the mvel matches. Test1 works but test2 doesn't. I am using
Drools 4.0.3 and JDK 1.6.0_02.
*rule* Test1
*when*
// This works
email : String()
*eval*( !email.* matches*(
^[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+(\\.[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+)[EMAIL
PROTECTED]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\\.[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*\\.[a-zA-Z]{2,6}$
) )
*then*
System.out.println( 1-Invalid Email Address: + email );
*end*
*rule* Test2
*when*
// This doesn't work
email : String( toString *not* *matches*
^[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+(\\.[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+)[EMAIL
PROTECTED]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\\.[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*\\.[a-zA-Z]{2,6}$
)
*then*
System.out.println( 2-Invalid Email Address: + email );
*end*
Here's the output using email addresses [EMAIL PROTECTED] (valid) and x.xx.com
(invalid):
test1-Invalid Email Address: x.xx.com
test2-Invalid Email Address: [EMAIL PROTECTED]
test2-Invalid Email Address: x.xx.com
The regex expressions are exactly the same. Am I doing something wrong
here?
Thanks,
Len
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Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3529-6000
Mobile: +55 11 9287-5646
JBoss, a division of Red Hat @ www.jboss.com
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--
Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3529-6000
Mobile: +55 11 9287-5646
JBoss, a division of Red Hat @ www.jboss.com
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Re: [rules-users] mvel regex not working???
Len,
When you use code inside eval(), it is executed in the chosen dialect
(default is java). So, the regexp of your first rule is parsed and executed
in java and is correct.
When you use code outside eval(), it is parsed by the Drools parser and
the drools parser do not require the extra '\' to escape escape-codes. See
the examples bellow:
java: ^[a-zA-Z0-9\\!\\#\\$\\%\\]
equivalent drools regexp: ^[a-zA-Z0-9\!\#\$\%\]
If you change your regexp to use single '\' instead of double, it should
work fine.
[]s
Edson
2007/11/14, Carlsen, Len [EMAIL PROTECTED]:
Hi,
I have an email validation regex where the mvel matches doesn't seem to
work. I have created 2 rules where test1 uses the Java String matches and
test2 uses the mvel matches. Test1 works but test2 doesn't. I am using
Drools 4.0.3 and JDK 1.6.0_02.
*rule* Test1
*when*
// This works
email : String()
*eval*( !email.*matches*(
^[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+(\\.[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+)[EMAIL
PROTECTED]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\\.[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*\\.[a-zA-Z]{2,6}$)
)
*then*
System.out.println( 1-Invalid Email Address: + email );
*end*
*rule* Test2
*when*
// This doesn't work
email : String( toString *not* *matches*
^[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+(\\.[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+)[EMAIL
PROTECTED]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\\.[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*\\.[a-zA-Z]{2,6}$)
*then*
System.out.println( 2-Invalid Email Address: + email );
*end*
Here's the output using email addresses [EMAIL PROTECTED] (valid) and x.xx.com
(invalid):
test1-Invalid Email Address: x.xx.com
test2-Invalid Email Address: [EMAIL PROTECTED]
test2-Invalid Email Address: x.xx.com
The regex expressions are exactly the same. Am I doing something wrong
here?
Thanks,
Len
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--
Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3529-6000
Mobile: +55 11 9287-5646
JBoss, a division of Red Hat @ www.jboss.com
___
rules-users mailing list
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RE: [rules-users] mvel regex not working???
Thanks a lot Edson. I had escaped characters that don't need to be
escaped which works in Java but not in mvel (error: no viable
alternative at character '\').
Java: ^[a-zA-Z0-9\\#]$
mvel: ^[a-zA-Z0-9#]$
Len
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Edson Tirelli
Sent: Thursday, November 15, 2007 7:47 AM
To: Rules Users List
Subject: Re: [rules-users] mvel regex not working???
Len,
When you use code inside eval(), it is executed in the chosen dialect
(default is java). So, the regexp of your first rule is parsed and
executed in java and is correct.
When you use code outside eval(), it is parsed by the Drools parser
and the drools parser do not require the extra '\' to escape
escape-codes. See the examples bellow:
java: ^[a-zA-Z0-9\\!\\#\\$\\%\\]
equivalent drools regexp: ^[a-zA-Z0-9\!\#\$\%\]
If you change your regexp to use single '\' instead of double, it
should work fine.
[]s
Edson
2007/11/14, Carlsen, Len [EMAIL PROTECTED]:
Hi,
I have an email validation regex where the mvel matches doesn't seem to
work. I have created 2 rules where test1 uses the Java String matches
and test2 uses the mvel matches. Test1 works but test2 doesn't. I am
using Drools 4.0.3 and JDK 1.6.0_02.
rule Test1
when
// This works
email : String()
eval( !email. matches(
^[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+(
\\.[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+
)[EMAIL PROTECTED]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\\.[a-zA-Z0-9]([a-zA-Z0-9
-]{0,61}[a-zA-Z0-9])?)*\\.[a-zA-Z]{2,6}$ ) )
then
System.out.println( 1-Invalid Email Address: + email );
end
rule Test2
when
// This doesn't work
email : String( toString not matches
^[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+(
\\.[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+
)[EMAIL PROTECTED]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\\.[a-zA-Z0-9]([a-zA-Z0-9
-]{0,61}[a-zA-Z0-9])?)*\\.[a-zA-Z]{2,6}$ )
then
System.out.println( 2-Invalid Email Address: + email );
end
Here's the output using email addresses [EMAIL PROTECTED] (valid) and x.xx.com
(invalid):
test1-Invalid Email Address: x.xx.com
test2-Invalid Email Address: [EMAIL PROTECTED]
test2-Invalid Email Address: x.xx.com
The regex expressions are exactly the same. Am I doing something wrong
here?
Thanks,
Len
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rules-users mailing list
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--
Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3529-6000
Mobile: +55 11 9287-5646
JBoss, a division of Red Hat @ www.jboss.com
___
rules-users mailing list
rules-users@lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
[rules-users] mvel regex not working???
Hi,
I have an email validation regex where the mvel matches doesn't seem to
work. I have created 2 rules where test1 uses the Java String matches
and test2 uses the mvel matches. Test1 works but test2 doesn't. I am
using Drools 4.0.3 and JDK 1.6.0_02.
rule Test1
when
// This works
email : String()
eval( !email.matches(
^[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+(
\\.[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+
)[EMAIL PROTECTED]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\\.[a-zA-Z0-9]([a-zA-Z0-9
-]{0,61}[a-zA-Z0-9])?)*\\.[a-zA-Z]{2,6}$ ) )
then
System.out.println( 1-Invalid Email Address: + email );
end
rule Test2
when
// This doesn't work
email : String( toString not matches
^[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+(
\\.[a-zA-Z0-9\\!\\#\\$\\%'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]+
)[EMAIL PROTECTED]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\\.[a-zA-Z0-9]([a-zA-Z0-9
-]{0,61}[a-zA-Z0-9])?)*\\.[a-zA-Z]{2,6}$ )
then
System.out.println( 2-Invalid Email Address: + email );
end
Here's the output using email addresses [EMAIL PROTECTED] (valid) and x.xx.com
(invalid):
test1-Invalid Email Address: x.xx.com
test2-Invalid Email Address: [EMAIL PROTECTED]
test2-Invalid Email Address: x.xx.com
The regex expressions are exactly the same. Am I doing something wrong
here?
Thanks,
Len
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