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https://issues.apache.org/jira/browse/LANG-512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12729956#action_12729956
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Henri Yandell commented on LANG-512:
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Some basic tests. Lang's much quicker than using the JDK's Regex code for
static text.
Length: 19 replacing length 7 with length 6, 5000 times.
LANG PERF: 0:00:00.017
JDK PERF: 0:00:00.063
Length: 190 replacing length 7 with length 6, 5000 times.
LANG PERF: 0:00:00.056
JDK PERF: 0:00:00.143
Length: 1900 replacing length 7 with length 6, 5000 times.
LANG PERF: 0:00:00.260
JDK PERF: 0:00:01.125
Length: 19000 replacing length 7 with length 6, 5000 times.
LANG PERF: 0:00:02.364
JDK PERF: 0:00:07.258
Length: 17000 replacing length 17 with length 16, 5000 times.
LANG PERF: 0:00:02.028
JDK PERF: 0:00:11.250
> Compare performance of replace method to regex in Java
> ------------------------------------------------------
>
> Key: LANG-512
> URL: https://issues.apache.org/jira/browse/LANG-512
> Project: Commons Lang
> Issue Type: Sub-task
> Reporter: Henri Yandell
> Fix For: 3.0
>
>
> Can we delete our replace methods?
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