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package gitime

import "regexp"

var commandRegex = "^\\s*/spen[dt]\\s*:?\\s*"

var floatRegex = "[0-9]+[.]?[0-9]*|[0-9]*[.]?[0-9]+"

// no negative lookahead in regexp, so we hack around it (to ignore datetime suffix)

// there's also regexp2, but its API needs some more work at the time of this writing

var minutesRegex = "(?P<minutes>" + floatRegex + ")\\s*(?:minutes?|mins?|mi?)?([^-/0-9]|$)"

var hoursRegex = "(?P<hours>" + floatRegex + ")\\s*(?:hours?|ho?)\\s*"

var daysRegex = "(?P<days>" + floatRegex + ")\\s*(?:days?|da?)\\s*"

var weeksRegex = "(?P<weeks>" + floatRegex + ")\\s*(?:weeks?|we?)\\s*"

var monthsRegex = "(?P<months>" + floatRegex + ")\\s*(?:months?|mo)\\s*"

var miP = "(?:" + minutesRegex + ")?"

var hoP = "(?:" + hoursRegex + ")?"

var daP = "(?:" + daysRegex + ")?"

var weP = "(?:" + weeksRegex + ")?"

var moP = "(?:" + monthsRegex + ")?"

var spentAllRegex = regexp.MustCompile(commandRegex + moP + weP + daP + hoP + miP)