Github user britter commented on a diff in the pull request:
https://github.com/apache/commons-lang/pull/186#discussion_r78293587
--- Diff: src/main/java/org/apache/commons/lang3/math/NumberUtils.java ---
@@ -1374,8 +1407,11 @@ public static boolean isNumber(final String str) {
boolean hasDecPoint = false;
boolean allowSigns = false;
boolean foundDigit = false;
+ boolean isJava6 = StringUtils.startsWith(
+ System.getProperty("java.version"), "1.6");
--- End diff --
You can better use `SystemUtils`for this. But I'm about to extend
`JavaVersion` in for
[LANG-1263](https://issues.apache.org/jira/browse/LANG-1263) so that will make
this even easier. I'll ping you when I have that finished.
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