In this sample, I ignore that theIndexOfandLastIndexOfreturns -1 if they cannot find the text to search for. From experience, I also know that it is easy to mess up the index arithmetics. So while using these methods can improve performance, it is also more error prone and a lot mor...
The Select-String cmdlet uses regular expression matching to search for text patterns in input strings and files. You can use Select-String similar to grep in UNIX or findstr.exe in Windows.Select-String is based on lines of text. By default, Select-String finds the first match in...
Check if string contains invalid characters Check if string starts with letter/character. check installed memory with physical memory Check network drive connection Check object property existance check PKI certificate expiration Check string for two special characters back to back Check to see if user ...
when you use double quotes-as opposed to single quotes-Windows PowerShell scans the text string for any variables. If it finds any, it substitutes the variable's actual value for the variable's name. Thus, when it executes this code, you can see that the current service name is being di...
Alt+Space+EDisplays an editing shortcut menu with Mark, Copy, Paste, Select All, Scroll, and Find options. You can then press K for Mark, Y for Copy, P for Paste, S for Select All, L to scroll through the screen buffer, or F to search for text in the screen buffer. To copy ...
Using Windows PowerShell, how can I search for a string value in all the files in a folder full of text files, then report back the file name and creation date for each file where that string value was found? Oh, and I’d like to have...
ComparisonOperator is an OPATH comparison operator (for example -eq for equals and -like for string comparison). For more information about comparison operators, see about_Comparison_Operators. Value is the property value to search for. Enclose text values and variables in single quotation marks (...
Notice that although the TextBox1 and TextBox2 values referenced by $tb1 and $tb2 are string types, I can omit quotes because Windows PowerShell will correctly infer the correct data type for me even though I could have typed the command as:...
Using the regular expressions (regex) with the -replace operator allows you to dynamically replace text using captured text. -replace <original>, <substitute> : The string to be searched <original>: A regular expression used to search the input string <substitute>: A regex substitution expressi...
-match and -notmatch use regular expressions to search for pattern in the left-hand side values. Regular expressions can match complex patterns like email addresses, UNC paths, or formatted phone numbers. The right-hand side string must adhere to the regular expressions rules. Scalar exampl...