RegEx for Latitude and Longitude

regex.md

Regular Expression(RegExp) for Latitude and Longitude

Just Latitude:

^-?([0-8]?[0-9]|90)(\.[0-9]{1,10})$

matches:

• 56.3847
• -56.387

unmatches:

• 3
• 30
• 300
• 91.34456
• 40.238946234652374238746

Just Longitude or Both (Because lat's range is a subset of long)

^-?([0-9]{1,2}|1[0-7][0-9]|180)(\.[0-9]{1,10})$

matches:

• 56.3847
• -56.387
• 91.34456
• 127.485784
• -130.37567

unmatches:

• 3
• 30
• 300
• 40.238946234652374238746
• 181.394898

Just Latitude with optional decimal numbers:

^-?([0-8]?[0-9]|90)(\.[0-9]{1,10})?$

matches:

• 3
• 30
• 56.3847
• -56.387

unmatches:

• 300
• 91.34456
• 40.238946234652374238746

Just Longitude or Both with optional decimal numbers (Because lat's range is a subset of long)

^-?([0-9]{1,2}|1[0-7][0-9]|180)(\.[0-9]{1,10})?$

matches:

• 3
• 30
• 56.3847
• -56.387
• 91.34456
• 127.485784
• -130.37567

unmatches:

• 300
• 40.238946234652374238746
• 181.394898

Note: This RegEx matches to coordinates upto 10 decimal places accurate. To increase or decrease the accuracy change the 10 to your desired accuracy in the last {1,10}.

@anda98 this could be dependent on how your form is validating the regex. You should check the form docs