Regular Expressions 101

Explanation

Pro

^start of line

Group 1(([NnSs\+-])?([0-8]?\d(\.\d*)?|90) *([°˚º^~*]*) *([NnSs\+-])*)

Group 2([NnSs\+-])?

?repeats the group contents below at most once:

Character Class[NnSs\+-]

Nthe literal N (78₁₀ / 116₈ / 4E₁₆) (case sensitive)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

Sthe literal S (83₁₀ / 123₈ / 53₁₆) (case sensitive)

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 3([0-8]?\d(\.\d*)?|90)

1st Alternative[0-8]?\d(\.\d*)?

Character Class[0-8]?

?matches at most one character from the set below:

0-8one character from 0 (48₁₀) to 8 (56₁₀)

\da digit

Group 4(\.\d*)?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d*a digit, repeated any number of times

2nd Alternative90

90the literal text 90

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Group 5([°˚º^~*]*)

Character Class[°˚º^~*]*

*matches any number of characters from the set below:

°the literal ° (176₁₀ / 260₈ / B0₁₆)

˚the literal ˚ (730₁₀ / 1332₈ / 2DA₁₆)

ºthe literal º (186₁₀ / 272₈ / BA₁₆)

^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Group 6([NnSs\+-])*

*repeats the group contents below any number of times:

Character Class[NnSs\+-]

Nthe literal N (78₁₀ / 116₈ / 4E₁₆) (case sensitive)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

Sthe literal S (83₁₀ / 123₈ / 53₁₆) (case sensitive)

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 7([,:;\s|\/\\-]+)

Character Class[,:;\s|\/\\-]+

+matches at least one character from the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\sany whitespace character

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 8(([EeWw\+-]*)([0]?\d?\d(\.\d*)?|1[0-7]\d(\.\d*)?|180) *([°˚º^~*]*) *([EeWw\+-]*))

Group 9([EeWw\+-]*)

Character Class[EeWw\+-]*

*matches any number of characters from the set below:

Ethe literal E (69₁₀ / 105₈ / 45₁₆) (case sensitive)

ethe literal e (101₁₀ / 145₈ / 65₁₆) (case sensitive)

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

wthe literal w (119₁₀ / 167₈ / 77₁₆) (case sensitive)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 10([0]?\d?\d(\.\d*)?|1[0-7]\d(\.\d*)?|180)

1st Alternative[0]?\d?\d(\.\d*)?

Character Class[0]?

?matches at most one character from the set below:

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

\d?optionally matches a digit

\da digit

Group 11(\.\d*)?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d*a digit, repeated any number of times

2nd Alternative1[0-7]\d(\.\d*)?

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[0-7]

0-7one character from 0 (48₁₀) to 7 (55₁₀)

\da digit

Group 12(\.\d*)?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d*a digit, repeated any number of times

3rd Alternative180

180the literal text 180

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Group 13([°˚º^~*]*)

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Group 14([EeWw\+-]*)

$end of line

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

26 tokens

Regular Expression

^(([NnSs\+-])?([0-8]?\d(\.\d*)?|90) *([°˚º^~*]*) *([NnSs\+-])*)([,:;\s|\/\\-]+)(([EeWw\+-]*)([0]?\d?\d(\.\d*)?|1[0-7]\d(\.\d*)?|180) *([°˚º^~*]*) *([EeWw\+-]*))$

New

53.651231°N 113.641376°W

57.084599°N 2.783300°W