The regex is greedy meaning it will capture as many characters as it can which fall test would match "thistles are the greatest", which you probably don't want Browse other questions tagged regex or ask your own question.
Anybody can ask a question ; Anybody can answer; The best answers are Match everything before first occurrence of a character If you want to match only match the first one, the easiest way is to anchor the pattern to.
Runaway Regular Expressions: Catastrophic Backtracking. Start here for a quick overview of the site. Regex engines can use non-deterministic finite state automata and other optimizations to improve performance. If you want to match only match the first one, the easiest way is to anchor the pattern to something, for example, beginning of line:. So the search and replace command looks for one or more digits, followed video xnxx real coming a space. This should work in most regex dialects. See it in action here: penademorte.info I recommend using penademorte.info.