Software Venture Consulting

FileMaker Pro downloads & Resources
FileMaker Custom Functions
FileMaker Web Viewer Examples
FileMaker Pro & Lasso Consulting
Training
FileMaker Books
FileMaker Articles
FileMaker Error Reference

Free Web Tools
Free FileMaker Tools

Personal Pages
Videos
Adventures
Links

Shopping Cart
Shopping Cart

Search:

Free Newsletter
Signup


Contact


Privacy Policy



FileMaker is a registered trademark of FileMaker, Inc. in the U.S. and other countries.

 

 FileMaker Pro Custom Functions

List  |  Show Random  |  Upload  |  Add This to Your Site

IsNumber ( _var )

Rate this function:  

RatingRatingRatingRatingRating
  Average rating: 4.6  (25 votes)
  Discuss this Custom Function

Rewolfer, -
http://rewolfer.de

return a valid number according to regional setting

Sample Input:
".445"
Sample Output:
0,445


 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed

Description:

/*=================================================

FORMAT: IsNumber ( _var )

PURPOSE: return a valid number according to regional setting

PARAMETER: _var type: unknown value: variable

RESULT: valid number in regional setting or nothing if invalid

DEPENDENCY: -

NOTE: build on the profound work of thomas seidler (http://www.harmlesswise.com)
see http://www.json.org/ for number testing trickery

EXAMPLE: IsNumber ( ".445" ) => 0,445 (in a FMP-file with German settings)
IsNumber ( "5,54e-2" ) => -10575000

HISTORY: 2011-10-04 [000000] 1.20 tseidler original number function
2012-04-14 [120433] 2.00 tsw aligned to other Is-functions: IsNumber returns value if valid or nothing if false
2012-04-19 [235920] 2.10 tsw caches file settings in $$IsNumberFormatAccepted on first run

DEVELOPER: thomas seidler @ http://www.harmlesswise.com
tsw @ http://rewolfer.de
=================================================*/

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it

Discuss:

There are no comments yet. Be the first to post a comment about this Custom Function! Please try to keep it brief & to the point. Anyone can post:

Your Name:
City/Location:
Comment:
characters left. If you paste in more than 1500 characters, it will be truncated. Discuss the function - advertisements and other useless posts will be deleted.
Answer 2 + 4 =
Search for Custom Functions:

Custom Functions Widget
Download the Custom Function Dashboard Widget for OS X
Keep all the latest Custom Functions right at your fingertips!

Newest Custom Functions:

1. CompareVersions ( versionA ; versionB )
  (Wed, Jan 17, 1:23pm)
2. WorkingDateList (StartDate;EndDate;HolidayList)
  (Fri, Jan 12, 9:30am)
3. _cf_Returns.Drawdown ( PeriodCount ; IncomingArray ; DrawdownSoFar ; MaxDrawdown ; Type )
  (Wed, Jan 10, 8:08pm)
4. LastMonth_withYear ( Date2Process )
  (Wed, Jan 10, 10:46am)
5. list.ToSqlIn ( theList )
  (Sun, Jan 07, 7:29am)
6. fnValidMBI ( MBI )
  (Sat, Jan 06, 10:29am)
7. mapJoin(pre; sep; post; str; i; values)
  (Fri, Jan 05, 11:48am)
8. CheckDigit_swissUID ( swissUID )
  (Thu, Jan 04, 6:06am)

RSS Feed of Custom Functions