pybabel extract issue for javascript regex

[cdsheen]

If a line contains p.replace(/>/g, '>').repalce('/', ''), pybabel stop extracting msgs after it.

$ pybabel --version
pybabel 2.6.0

$ cat mapping.ini
[javascript: *.js]

$ cat test.js
x = _('string1');
y = _('string2');
p.replace(/>/g, '>').repalce('/', '');
z = _('string3');

$  pybabel extract --omit-header -F mapping.ini test.js -o test.po      
extracting messages from test.js
writing PO template file to test.po

$ cat test.po
#: test.js:1
msgid "string1"
msgstr ""

#: test.js:2
msgid "string2"
msgstr ""

$
("string3" is not extracted)

Though the following lines works fine.

p.replace(/\>/g, '>').replace('/', ''); # okay if > is escaped
p.replace(/>/g, '>'); # okay if without slash (/) after
p.replace(/</g, '<').replace('/', ''); # okay for <