Regular expression for a string that ends with '/'

Question

The regular expression for a string that ends with '/' is the following:

str.match(//$/) -- javascript syntax

but the // makes the compiler think it's a comment. how to work around this?

what about this : http://stackoverflow.com/questions/1569295/regex-to-remove-javascript-double-slash-style-comments — Afshin, Jan 12 '12 at 21:12
Oh god, so many people typing the same thing but no one checking their answer first! — Gareth, Jan 12 '12 at 21:13

score 6 · Accepted Answer · answered Jan 12 '12 at 21:11

6

You must escape the final / so the interpreter doesn't think it terminates the RegExp literal:

str.match(/\/$/);

answered Jan 12 '12 at 21:11

maerics

score 3 · Answer 2 · answered Jan 12 '12 at 21:12

3

You need to escape the slash:

str.match(/\/$/)

answered Jan 12 '12 at 21:12

Jukka K. Korpela

score 2 · Answer 3 · answered Jan 12 '12 at 21:12

2

Use the escape character (\) to specify a literal / as in:

 str.match(/\/$/);

answered Jan 12 '12 at 21:12

Ahmed Masud

score 2 · Answer 4 · answered Jan 12 '12 at 21:17

2

You'll need to escape the slash

str.match(/\/$/);

If you want to match a string that ends with slash, you may want to include the actual string too;

str.match(/.*\/$/);

answered Jan 12 '12 at 21:17

Joachim Isaksson

" you may want to include the actual string too" <-- no need at all. If you want to see if an input ends with a /, you only have to look for a / followed by the end of input ($). – fge Jan 12 '12 at 21:31
Yes, but if you want to use the actual strings returned by the matches, they're not very useful without it. – Joachim Isaksson Jan 12 '12 at 21:33

4 Answers4