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For example, this regex
(.*)<FooBar> will match:
abcde<FooBar> But how do I get it to match across multiple lines?
abcde fghij<FooBar> 
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To match a character having special meaning in regex, you need to use a escape sequence prefix with a backslash ( \ ). E.g., \. matches "." ; regex \+ matches "+" ; and regex \( matches "(" . You also need to use regex \\ to match "\" (back-slash).
The "m" modifier specifies a multiline match. It only affects the behavior of start ^ and end $. ^ specifies a match at the start of a string.
By default in most regex engines, . doesn't match newline characters, so the matching stops at the end of each logical line. If you want . to match really everything, including newlines, you need to enable "dot-matches-all" mode in your regex engine of choice (for example, add re. DOTALL flag in Python, or /s in PCRE.
Matching a Single Character Using Regex By default, the '. ' dot character in a regular expression matches a single character without regard to what character it is. The matched character can be an alphabet, a number or, any special character.
Try this:
((.|\n)*)<FooBar> It basically says "any character or a newline" repeated zero or more times.
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