Office provider group Regus said it was confident of meeting its full-year targets after trading in the first quarter was in line with expectations.The London-listed group said net cash flow in the first quarter rose 4.5% year-on-year to £38m, while revenue increased 15% on the back of steady customer demand for the company's products and services.In a statement released on Thursday, the company said it had invested £32.17m in new locations, adding 81 new sites to its portfolio, bringing the total number of locations to 2,342 at the end of March.The FTSE 250 group said performance in its mature portfolio remained steady, as revenue grew 6.2% in the quarter, with year-on-year mature occupancy rising 3.6 points on a like-for-like basis to 81.6%.The company added it had made a good start to 2015, saying it remained confident of meeting its full-year goals.Regus shares were up 2.16% to 243.50p at 10:15 on Thursday.