常用正则表达式笔记_持续更新ing
经纬度正则/^[\-\+]?(0(\.\d{1,10})?|([1-9](\d)?)(\.\d{1,10})?|1[0-7]\d{1}(\.\d{1,10})?|180(\.0{1,10})?)$/
纬度/^[\-\+]?((0|([1-8]\d?))(\.\d{1,10})?|90(\.0{1,10})?)$/
日期格式化'20150825'.replace(/(\d{4})(\d{2})(\d{2})/,'$1-$2-$3')