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Java-Gaming.org > Game Development > Newbie & Debugging Questions > help with reg expression
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  help with reg expression  (Read 427 times)
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Offline Kommi

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Posts: 293


All opinions will be lined up and shot!
« on: 2006-01-31 17:37:43 »
I am trying to write a reg expression with the following rules:
Must start with a lower case letter, can have any characters in between EXCEPT NUMBERS, must end with a lower case letter

the expression I came up with is the following:
1  
[a-z]+([^0-9]*?)[a-z]+


the problem is that "section9" will yeild "section", and "se-ction9" will yeild "se-ction". But "se1ction9" will break it down into 2 mathces, "se" and "ction". How can I change my expression so that "se1ction9" is rejected completely?
Kommi
Offline swpalmer

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Where's the Kaboom?
« Reply #1 on: 2006-01-31 17:47:02 »
I don't think you need the '?' in your example.

I always use this site http://www.regular-expressions.info/tutorial.html as a reference when I'm trying to grok regular expressions.

I think you just need to add beginning of line and end of line markers to what you have

1  
^[a-z]+([^0-9]*?)[a-z]+$


http://www.regular-expressions.info/anchors.html

see also http://www.regular-expressions.info/wordboundaries.html if you are matching this inside a longer string.
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