Hello,
I want to replace parts of a string but get an error :-(
The code:
String reSiezedURL = "foo";
reSiezedURL = reSiezedURL.replaceAll("(?w=[0-9]+)",
String.format("?w=%d", this.reqWidth));
reSiezedURL = reSiezedURL.replaceAll("(&w=[0-9]+)",
String.format("&w=%d", this.reqWidth));
reSiezedURL = reSiezedURL.replaceAll("(?h=[0-9]+)",
String.format("?h=%d", this.reqHeight));
reSiezedURL = reSiezedURL.replaceAll("(&h=[0-9]+)",
String.format("&h=%d", this.reqHeight));
The error:
Caused by: java.util.regex.PatternSyntaxException: Invalid value for
match mode flags near index 4:
(?w=[0-9]+)
^
at java.util.regex.Pattern.compileImpl(Native Method)
java.util.regex.Pattern.compile(Pattern.java:407)
at java.util.regex.Pattern.<init>(Pattern.java:390)
at java.util.regex.Pattern.compile(Pattern.java:381)
at java.lang.String.replaceAll(String.java:1774)
The question:
What is wrong with my regular expression?
Regards, Ralph
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