query: add a character before a line with matching pattern
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positive_passages.text: Brackets in if condition: why am I getting syntax errors without whitespace?
negative_passages.docid: 98761
negative_passages.text: Regular expression to match any empty line or any line starting with a specified character
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negative_passages.text: When I add a "hat" to a character, I cannot get a gap before the superscript
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negative_passages.text: How to make dot match newline characters using regular expressions
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negative_passages.text: How to insert a character in a string at a certain position?
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negative_passages.text: grep one line before the match plus the match
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negative_passages.text: concatenate lines based on first char of next line
negative_passages.docid: 76938
negative_passages.text: How to insert a line using sed before a pattern and after a line number?
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negative_passages.text: Prepend text to beginning of string
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negative_passages.text: Using RegEX To Prefix And Append In Notepad++
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negative_passages.text: JavaScript regex pattern concatenate with variable
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negative_passages.text: How to insert text before the first line of a file?
negative_passages.docid: 109073
negative_passages.text: Javascript replacing new line character
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negative_passages.text: How to typeset indices before a symbol?
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negative_passages.text: Vim: insert the same characters across multiple lines
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negative_passages.text: How can you combine all lines that end with a backslash character?