java.util.regex.PatternSyntaxException: Unclosed character class near index 12 \\b]([^.(|[]+)

Question

Unclosed character class near index 12 \b]([^.(|[]+) ^

The regex above works fine, however it does not work on java and i cant detect what is the problem that causing it.

Could someone help me?

Thanks in advance

You need to escape the opening bracket in your character class — fge
– fge, Commented Jan 11, 2015 at 18:20

SMA · Accepted Answer · 2015-01-11 18:24:48Z

1

You need to escape opening and closing square bracket like \b\\]\\(\\[^.(|\\[\\]+) (this is just your remaining regex and not whole regex i believe) since you specify meta character within square brackets and has a special meaning while defining regex.

answered Jan 11, 2015 at 18:24

SMA

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nhahtdh · Accepted Answer · 2015-01-12 02:37:05Z

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To make the regex working in Java use: \b\]([^.(|\[]+)

The Java Regex String is:

"\\b\\]([^.(|\\[]+)"

edited Jan 12, 2015 at 2:37

nhahtdh

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answered Jan 11, 2015 at 20:06

Andie2302

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1 Comment

nhahtdh Over a year ago

I have remove the ^ at the end, since it is most likely part of the exception output which points out the position with problem, not part of the original regex.

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