DBWS.NET » regex latitude longitude http://www.dbws.net/blog Software development mutterings and maybe a little something about myself. Wed, 09 Nov 2011 16:56:53 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 RegEx validation of Latitude and Longitude http://www.dbws.net/blog/2009/10/23/regex-validation-of-latitude-and-longitude/ http://www.dbws.net/blog/2009/10/23/regex-validation-of-latitude-and-longitude/#comments Fri, 23 Oct 2009 09:31:58 +0000 Bolo http://www.dbws.net/blog/2009/10/23/regex-validation-of-latitude-and-longitude/ Below are regex patterns to match against valid latitude and longitude.

Both formats are based on Decimal coordinates.

Latitude range is from -90 to +90

Longitude from -180 to +180

For Latitude the regex pattern is

(-?[0-8]?[0-9](\.\d*)?)|-?90(\.[0]*)?

For Longitude use

(-?([1]?[0-7][1-9]|[1-9]?[0-9])?(\.\d*)?)|-?180(\.[0]*)?

This will also restrict the decimal values being > 0 for both +- 90′ and +- 180

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