USB standard cable any length (Kennington SE11)

My standard cable (part of my Sainsburys chargeable toothbrush and affectionathely named 'Toothy' is missing after a journey to a meeting. It also charges my decrepit phone and I am only part time (paying high rent) and buying one would leave me short. I am a careful person used to living on very little and i have never lost anything so likely someone pulled it out of my bag. If you have one you do not need , any length even a short one would be ok. Any replies appreciated!