Regex Adding Nocache To Every Url Including Theets Like

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Be aware that the first ^ in this answer gives the regex a completely different meaning It makes the regular expression look only for matches starting from the beginning of the string.. The regex compiles fine, and there are already JUnit tests that show how it works. It’s just that I’m a bit confused about why the first question mark and colon are there..By putting ^ at the beginning of your regex and $ at the end, you ensure that no other characters are allowed before or after your regex. For example, the regex [ ] matches the strings “” as well as “AB”, but the regex ^[ ]$ only matches “”..While writing this answer, I had to match exclusively on linebreaks instead of using the s flag dotall dot matches linebreaks . The sites usually used to test regular expressions behave diffe .