-
-
Save myh-st/268c5000b54f4abec46e521efb1c156f to your computer and use it in GitHub Desktop.
Latitude / Longitude DMS, DDM, DD Regular Expressions
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Degrees Minutes Seconds (DMS) | |
40° 26′ 46″ N 79° 58′ 56″ W | |
40° 26′ 46″ S 79° 58′ 56″ E | |
90° 0′ 0″ S 180° 0′ 0″ E | |
40° 26′ 45.9996″ N 79° 58′ 55.2″ E | |
Latitudes range from 0 to 90. | |
Longitudes range from 0 to 180. | |
Minutes & Seconds range from 0-60 | |
Use N, S, E or W as either the last character, | |
which represents a compass direction North, South, East or West. | |
D & M must be intergers, S may be an interger or float. | |
DMS.latitude - /^[\+-]?(([1-8]?\d)\D+([1-5]?\d|60)\D+([1-5]?\d|60)(\.\d+)?|90\D+0\D+0)\D+[NSns]?$/ | |
DMS.longitude - /^[\+-]?([1-7]?\d{1,2}\D+([1-5]?\d|60)\D+([1-5]?\d|60)(\.\d+)?|180\D+0\D+0)\D+[EWew]?$/ | |
Degrees Decimal Minutes (DDM) | |
40° 26.767′ N 79° 58.933′ W | |
90° 0′ N 180° 0′ W | |
90° N 180° W | |
Latitudes range from 0 to 90. | |
Longitudes range from 0 to 180. | |
Use N, S, E or W as either the last character, | |
which represents a compass direction North, South, East or West. | |
The last degree, minute, or second of a latitude or longitude | |
may contain a decimal portion. | |
DDM.latitude - /^[\+-]?(([1-8]?\d)\D+[1-6]?\d(\.\d{1,})?|90(\D+0)?)\D+[NSns]?$/ | |
DDM.longitude - /^[\+-]?((1[0-7]\d|[1-9]?\d)\D+[1-6]?\d(\.\d{1,})?|180(\D+0)?)\D+[EWew]?$/ | |
Decimal Degrees (DD) | |
40.446° N 79.982° W | |
Precede South latitudes and West longitudes with a minus sign. | |
Latitudes range from -90 to 90 | |
Longitudes range from -180 to 180 | |
Up to 6 decimal places | |
DD.latitude - /^[\+-]?(([1-8]?\d)(\.\d{1,})?|90)\D*[NSns]?$/ | |
DD.longitude - /^[\+-]?((1[0-7]\d|[1-9]?\d)(\.\d{1,})?|180)\D*[EWew]?$/ | |
IN JS: | |
const patterns = { | |
lat: { | |
isDMS: /^(([1-8]?[0-9])\D+([1-5]?[0-9]|60)\D+([1-5]?[0-9]|60)(\.[0-9]+)?|90\D+0\D+0)\D+[NSns]$/, | |
isDDM: /^(([1-8]?[0-9])\D+[1-6]?[0-9](\.\d{1,3})?|90(\D+0)?)\D+([NSns])$/, | |
isDD: /^[\+-]?(([1-8]?[0-9])(\.\d{1,6})?|90)\D*[NSns]?$/ | |
}, | |
lng: { | |
isDMS: /^((1[0-7][0-9]|[1-9]?[0-9])\D+([1-5]?[0-9]|60)\D+([1-5]?[0-9]|60)(\.[0-9]+)?|180\D+0\D+0)\D+[EWew]$/, | |
isDDM: /^((1[0-7][0-9]|[1-9]?[0-9])\D+[1-6]?[0-9](\.\d{1,3})?|180(\D+0)?)\D+([EWew])$/, | |
isDD: /^[\+-]?((1[0-7][0-9]|[1-9]?[0-9])(\.\d{1,6})?|180)\D*[EWew]?$/ | |
} | |
}; | |
Combined: | |
patterns.lat.combined = new RegExp(`^(${patterns.lat.map(tt => `(${tt.toString().replace(/^\/\^(.+?)\$\//g,'$1')})`).join('|')})$`); | |
patterns.lng.combined = new RegExp(`^(${patterns.lng.map(tt => `(${tt.toString().replace(/^\/\^(.+?)\$\//g,'$1')})`).join('|')})$`) | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment