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how to find the first sentence?
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faubo View Drop Down
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    Posted: 02 June 2003 at 12:48pm

Hello,

I have a memo field in an access DB and I want to take the first sentence of the text in this field? Is this possible?

If I make it an array with the components of this array divided by " . " and use only the first component it will work?

maybe some js will do it... I don't know...

Thanks!
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If correct punctuation is being used then use Instr(string, ". ") the find the position of the first periosd followed by a space and then truncate the text to that point.

string = Left (string, instr(string,". "))
L. Jamal Walton

L. Jamal Inc : Web/ Print Design and ASP Programming
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MorningZ View Drop Down
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if you use the above line.. make sure that a "." exists first, otherwise ***crash*** will go the Left function i believe
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Points: 560 		Post Options Post Options   Thanks (0) Thanks(0)   Quote faubo Quote  Post ReplyReply Direct Link To This Post Posted: 02 June 2003 at 4:41pm

Thanks, I will try it soon, all the records have many " . "

I thought it would be much more complicated.
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What if their first sentence is a question? Then it would have a question mark.

You may want to test for both conditions and then compare to see if one comes sooner than the other.
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Points: 600 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Badaboem Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2003 at 2:36pm

Is there a way to grab a first image out of a string as well? I'm trying to think of a function to get an image out of a forum thread.

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Points: 1793 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MorningZ Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2003 at 2:43pm

Finding sentences ending in ".": Regular Expressions

Finding sentences ending in "?": Regular Expressions

Finding images: Regualr Expressions

Finding "oompa-loompa" in some text: Regular Expressions

Seeing a pattern here?

http://www.aspfaqs.com/aspfaqs/ShowCategory.asp?CatID=16
http://www.regexlib.com
http://www.google.com/search?sourceid=navclient&ie=UTF-8&oe=UTF-8&q=Learning+Regular+Expressions
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Points: 888 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ljamal Quote  Post ReplyReply Direct Link To This Post Posted: 10 June 2003 at 2:57pm
Regular Expressions are not always the fastest and/or the easiest method of finding things. In the case where you are lookng for the first instance of a specific characterm, Regular Expressions is not as fast as the good old InStr function.

In fact unless you need advanced character matching InStr is almost always more efficient than Regular Expressions. If you are trying to check if something could be a URL or email address, then use Regular Expressions. If you are trying to find the first sentence in a string use InStr.
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