cmd/search: fix truncated regex warning.
cmd/search: fix truncated regex warning.

`ohai` doesn't really work for this case.

Fixes #5520.

konqui/brew,vitorgalvao/brew,vitorgalvao/brew,mahori/brew,konqui/brew,Linuxbrew/brew,Linuxbrew/brew,konqui/brew,EricFromCanada/brew,claui/brew,reitermarkus/brew,nandub/brew,vitorgalvao/brew,JCount/brew,konqui/brew,EricFromCanada/brew,Homebrew/brew,mahori/brew,JCount/brew,reitermarkus/brew,MikeMcQuaid/brew,mahori/brew,Homebrew/brew,EricFromCanada/brew,Linuxbrew/brew,MikeMcQuaid/brew,JCount/brew,claui/brew,Homebrew/brew,sjackman/homebrew,reitermarkus/brew,claui/brew,reitermarkus/brew,vitorgalvao/brew,nandub/brew,nandub/brew,sjackman/homebrew,claui/brew,mahori/brew,Linuxbrew/brew,MikeMcQuaid/brew,sjackman/homebrew,JCount/brew,Homebrew/brew,sjackman/homebrew,nandub/brew,MikeMcQuaid/brew,EricFromCanada/brew