java.util.regex.PatternSyntaxException: Unexpected character '?' near index 0 [{]([0-9A-Za-z]+)[}] ^

Oracle Community | 807553 | 1 decade ago
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    Oracle Community | 1 decade ago | 807553
    java.util.regex.PatternSyntaxException: Unexpected character '?' near index 0 [{]([0-9A-Za-z]+)[}] ^
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Root Cause Analysis

  1. java.util.regex.PatternSyntaxException

    Unexpected character '?' near index 0 [{]([0-9A-Za-z]+)[}] ^

    at java.util.regex.Pattern.error()
  2. Java RT
    Pattern.compile
    1. java.util.regex.Pattern.error(Pattern.java:1472)
    2. java.util.regex.Pattern.range(Pattern.java:2052)
    3. java.util.regex.Pattern.clazz(Pattern.java:1991)
    4. java.util.regex.Pattern.sequence(Pattern.java:1529)
    5. java.util.regex.Pattern.expr(Pattern.java:1489)
    6. java.util.regex.Pattern.compile(Pattern.java:1257)
    7. java.util.regex.Pattern.<init>(Pattern.java:1013)
    8. java.util.regex.Pattern.compile(Pattern.java:760)
    8 frames
  3. Unknown
    Test_jdk14.main
    1. Test_jdk14.main(Test_jdk14.java:13)
    1 frame