http://nagoya.apache.org/bugzilla/show_bug.cgi?id=2121 *** shadow/2121 Mon Jun 11 12:26:15 2001 --- shadow/2121.tmp.1948 Mon Jun 11 12:26:15 2001 *************** *** 0 **** --- 1,71 ---- + +============================================================================+ + | '.' or '-' in bracket expression gives unexpected results | + +----------------------------------------------------------------------------+ + | Bug #: 2121 Product: Regexp | + | Status: NEW Version: unspecified | + | Resolution: Platform: Other | + | Severity: Normal OS/Version: Windows NT/2K | + | Priority: Other Component: Other | + +----------------------------------------------------------------------------+ + | Assigned To: [EMAIL PROTECTED] | + | Reported By: [EMAIL PROTECTED] | + | CC list: Cc: | + +----------------------------------------------------------------------------+ + | URL: | + +============================================================================+ + | DESCRIPTION | + This problem has been discussed on the regexp mailinglist + (June 8, 2001, Subject "Regexp broken"). + + I made an JSP page in which I test some RE's. + + I have a string "{regexp-1.2}" and I want an RE which + matches everything between the brackets (thus "regexp-1.2"). + + Let's try some regular expressions: + + Input string "{regexp-1.2}" and RE "([a-z0-9]+)" match: "regexp" + Input string "{regexp-1.2}" and RE "([a-z0-9-]+)" match: "{regexp-1.2}" + Input string "{regexp-1.2}" and RE "([a-z0-9.]+)" match: "regexp" + Input string "{regexp-1.2}" and RE "([a-z0-9.-]+)" match: "{regexp" + Input string "{regexp-1.2}" and RE "([a-z0-9\-]+)" match: "regexp-1" + Input string "{regexp-1.2}" and RE "([a-z0-9\.]+)" match: "regexp" + Input string "{regexp-1.2}" and RE "([a-z0-9\.\-]+)" match: "regexp-1" + Input string "{regexp-1.2}" and RE "([a-z0-9.\-]+)" match: "regexp-1" + Input string "{regexp-1.2}" and RE "([a-z0-9\.-]+)" match: "{regexp" + + Some strange results and none of them gives "regexp-1.2"! + + This is the JSP-code, so you can try it yourself: + + <%@ page import="org.apache.regexp.*" %> + + <%! + JspWriter JspOut; + + public void reTest( String in, String re ) throws java.io.IOException, + org.apache.regexp.RESyntaxException { + JspOut.print( "Input string \""+in+"\" and RE \""+re+"\" match: "); + RE testRe = new RE(re); + if ( testRe.match( in ) ) + JspOut.print( "\""+testRe.getParen(1)+"\"" ); + else + JspOut.print( "no match" ); + JspOut.print("<br>"); + } + %> + + <% + JspOut = out; + String s = "{regexp-1.2}"; + + reTest( s, "([a-z0-9]+)" ); + reTest( s, "([a-z0-9-]+)" ); + reTest( s, "([a-z0-9.]+)" ); + reTest( s, "([a-z0-9.-]+)" ); + reTest( s, "([a-z0-9\\-]+)" ); + reTest( s, "([a-z0-9\\.]+)" ); + reTest( s, "([a-z0-9\\.\\-]+)" ); + reTest( s, "([a-z0-9.\\-]+)" ); + reTest( s, "([a-z0-9\\.-]+)" ); + %> \ No newline at end of file
