Enter your regex: dog Enter input string to search: dog I found the text dog. Its often useful to anchor the regular expression so that it matches from the start or end of. The reason why adding the (-s) worked for you: originally, you had set dot matches newline using (s), so your (.) greedily matched everything (including newlines) from start of the first amigo-paragraph to the last line-ending-that it found. As noted above, matches the beginning of a line, and matches the end. In order to match an empty line (multi-line on), a caret is used next to a $ which is another anchor character representing the position at the end of line ( Anchor Characters: Dollar ($) ). By default, regular expressions will match any part of a string. ![]() ![]()
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