[jira] [Created] (LANG-1823) LocaleUtils.toLocale cannot parse valid JDK Locale string containing '#' (e.g., from Locale.getAvailableLocales())

[Jira]

尹茂椿萱 created LANG-1823:
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             Summary: LocaleUtils.toLocale cannot parse valid JDK Locale string 
containing '#' (e.g., from Locale.getAvailableLocales())
                 Key: LANG-1823
                 URL: https://issues.apache.org/jira/browse/LANG-1823
             Project: Commons Lang
          Issue Type: Bug
    Affects Versions: 3.20.0
            Reporter: 尹茂椿萱


{{LocaleUtils.toLocale(String)}} claims to strictly validate and convert a 
locale string into a {{Locale}} object. However, it fails to parse certain 
valid locale strings produced by the JDK itself.

Specifically, some {{Locale}} instances returned by 
{{java.util.Locale#getAvailableLocales()}} produce string representations (via 
{{{}toString(){}}}) that contain a {{#}} character (e.g., 
{{{}"th_TH_#Thai"{}}}). These strings cannot be parsed by 
{{{}LocaleUtils.toLocale{}}}, resulting in an {{{}IllegalArgumentException{}}}.

This creates an inconsistency where valid JDK locale representations cannot be 
round-tripped through {{{}LocaleUtils{}}}.
h3. *Steps to Reproduce*
{{import java.util.Locale;}}
{{import org.apache.commons.lang3.LocaleUtils;}}

{{public class Repro {}}
{{    public static void main(String[] args) {}}
{{        for (Locale locale : Locale.getAvailableLocales()) {}}
{{            String str = locale.toString();}}
{{            try {}}
{{                Locale parsed = LocaleUtils.toLocale(str);}}
{{            } catch (Exception e) {}}
{{                System.out.println("FAIL: " + str);}}
{{            }}}
{{        }}}
{{    }}}
{{}}}
 
----
h3. *Observed Behavior*

Example failing output:
{{FAIL: th_TH_#Thai}}
{{LocaleUtils.toLocale("th_TH_#Thai")}} throws {{{}IllegalArgumentException{}}}.

 



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