# pdfgrep > Search text in PDF files. > More information: . - Find lines that match pattern in a PDF: `pdfgrep {{pattern}} {{file.pdf}}` - Include file name and page number for each matched line: `pdfgrep --with-filename --page-number {{pattern}} {{file.pdf}}` - Do a case-insensitive search for lines that begin with "foo" and return the first 3 matches: `pdfgrep --max-count {{3}} --ignore-case {{'^foo'}} {{file.pdf}}` - Find pattern in files with a `.pdf` extension in the current directory recursively: `pdfgrep --recursive {{pattern}}` - Find pattern on files that match a specific glob in the current directory recursively: `pdfgrep --recursive --include {{'*book.pdf'}} {{pattern}}`