pandas applying regex to replace values - Stack Overflow I have read some pricing data into a pandas dataframe the values appear as: $40,000* $40000 conditions attached I want to strip it down to just the numeric values I know I can loop through and ap
Javascript replace method, replace with $1 - Stack Overflow The first call to the replace method is what puzzles me, I don't understand where the "$1" value comes from or what it means I would think that the call should replace the found pattern with ""
Powershell -replace when replacement string contains PowerShell's -replace operator: uses a regex (regular expression) as the search (1st) operand If you want t o use a search string verbatim, you must escape it: programmatically: with [regex]::Escape() or, in string literals, you can alternatively \ -escape individual characters that would otherwise be interpreted as regex metacharacters uses a non-literal string that can refer to what the
string - Python Replace \\ with \ - Stack Overflow In Python string literals, backslash is an escape character This is also true when the interactive prompt shows you the value of a string It will give you the literal code representation of the string Use the print statement to see what the string actually looks like This example shows the difference: >>> '\\' '\\' >>> print '\\' \