regex - ANT Script - replaceregexp with non-matching groups -

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i trying use replaceregexp search , replace copyright symbol , garbage characters on multiple files ones have date in 2000 range, decided use non-capturing group match number after copyright symbol , replace copyright symbol. reason still replaces symbol , number.

for example, match:

© 2007 mail services bla bla bla

and expected result be:

c 2007 mail services bla bla bla

but get:

c bla bla bla

here code:

<replaceregexp match="${match.exp}" replace="${replace.str}" byline="true">     <fileset dir="${parent.dir}">         <include name="**/*.js"/>         <include name="**/*.jsp"/>         <include name="**/*.xml"/>         <include name="**/*.properties"/>         <include name="**/*.css"/>         <include name="**/*.java"/>         <!-- excluding files -->         <exclude name="**/yu.js"/>         <exclude name="**/jsmenu.js"/>         <exclude name="**/jquerytimerpack.js."/>         <exclude name="**/jqu.js"/>         <exclude name="**/jqui.js"/>         <exclude name="**/am.properties"/>     </fileset> </replaceregexp>

the regex i'm using is: 

(?:\s*)(©|�|©)(?:\s*20\d\d,\smail services)

the non-capturing group still consumed , replaced, isn't "captured" in sense characters matched pattern in group aren't stored you. (see answer: regex non-capturing group capturing)

instead should capture groups , use them rebuild desired string.

for example, if you're regex (?:\s*)(©|�|©)(?:\s*20\d\d,\smail services), try instead using (\s*)(©|�|©)(\s*20\d\d,\smail services) , replace string of \1c\2. i'm not sure if comma in last group intended, since wouldn't match examples provided.


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