/// <summary>
/// Returns regex pattern for 3-digit numbers from ones to ten-and ones. e.g. 117, 308 (NOT 120).
/// </summary>
/// <returns></returns>
private string AllUpToOnesAndTenOnes()
{
string hundsGroup = RegexPatternCreator.ClosureQuestionMark(
RegexPatternCreator.CreateGroup("", HundsPattern(),
RegexPatternCreator.BetWordWSPlus, "و", RegexPatternCreator.BetWordWSPlus
)
);
string tensGroup =
RegexPatternCreator.ClosureQuestionMark(
RegexPatternCreator.CreateGroup("", TensPattern(),
RegexPatternCreator.BetWordWSPlus, "و", RegexPatternCreator.BetWordWSPlus
)
);
string numberPattern =
RegexPatternCreator.CreateGroup("", hundsGroup,
RegexPatternCreator.CreateGroup("", RegexPatternCreator.CreateOR(true,
TenOnesPattern(),
RegexPatternCreator.CreateGroup("", tensGroup, OnesPattern())
))
);
return(@"\b" + numberPattern + OrdinalityPattern() + @"\b");
}
/// <summary>
/// Returns the whole pattern of a persian written number
/// </summary>
internal string PersianNumberPattern()
{
string ThreeDB = ThreeDigitBlockPattern();
string BlockAndMult = BlockPlusMultiplier();
string MultPlus3DB =
RegexPatternCreator.CreateGroup("",
RegexPatternCreator.ClosurePlus(
RegexPatternCreator.CreateGroup("",
BlockAndMult, RegexPatternCreator.BetWordWSPlus, "و", RegexPatternCreator.BetWordWSPlus
)
),
RegexPatternCreator.ClosureQuestionMark(
ThreeDB
)
);
string MultPlus =
RegexPatternCreator.CreateGroup("",
BlockAndMult,
RegexPatternCreator.ClosureStar(RegexPatternCreator.CreateGroup("",
RegexPatternCreator.BetWordWSPlus, "و", RegexPatternCreator.BetWordWSPlus, BlockAndMult
)),
RegexPatternCreator.ClosureQuestionMark(RegexPatternCreator.CreateGroup("",
RegexPatternCreator.BetWordWSPlus, "و", RegexPatternCreator.BetWordWSPlus, ThreeDB
))
);
string numberPattern = RegexPatternCreator.CreateGroup("",
RegexPatternCreator.CreateOR(true, MultPlus, ThreeDB)
);
return(@"\b" + RegexPatternCreator.CreateOR(false, numberPattern, "(صفرم)", "(صفر)") + @"\b");
}
/// <summary>
/// Returns the pattern for 10 mulitipliers from 20 to 90 ORed together.
/// </summary>
/// <returns></returns>
private string TensPattern()
{
string writtenNum =
RegexPatternCreator.CreateGroup(TENS_NAME,
RegexPatternCreator.CreateOR(false, "بیست", "سی", "چهل", "پنجاه", "شصت", "هفتاد", "هشتاد", "نود"));
return(writtenNum);
}
/// <summary>
/// returns the regex pattern for numbers from 1 to 9.
/// </summary>
private string OnesPattern()
{
string writtenNum =
RegexPatternCreator.CreateGroup(ONES_NAME,
RegexPatternCreator.CreateOR(false, "یک", "دو", "سه", "چهار", "پنج", "شش", "شیش", "هفت", "هشت", "نه", "اول", "سوم"));
return(writtenNum);
}
/// <summary>
/// Returns the regex pattern for the numeric dates
/// </summary>
/// <returns></returns>
private string NumericDatePattern()
{
string seprators1Pat = @"(?<sep1>/|-|\.)";
string seprators2Pat = @"(?<sep2>/|-|\.)";
string datePattern = RegexPatternCreator.CreateGroup("NumericDate", @"(?<num1>\d+)", seprators1Pat, @"(?<num2>\d+)", seprators2Pat, @"(?<num3>\d+)");
return(@"\b" + datePattern + @"\b");
}
/// <summary>
/// Named As MULTIPLIER_NAME
/// Containing only the grand coefficients ORed together, e.g. "میلیون", "میلیارد"
/// </summary>
private string MultipliersPattern()
{
string writtenNum =
RegexPatternCreator.CreateGroup(MULTIPLIER_NAME,
RegexPatternCreator.CreateOR(false, "هزار", "ملیون", "میلیون", "میلیارد", "ملیارد", "بلیون", "بیلیون", "ترلیارد", "تریلیارد", "تریلیون", "ترلیون"));
return(writtenNum);
}
/// <summary>
/// Returns the regex pattern for 10 to 19 ORed together
/// </summary>
/// <returns></returns>
private string TenOnesPattern()
{
string writtenNum =
RegexPatternCreator.CreateGroup(TENONES_NAME,
RegexPatternCreator.CreateOR(false, "ده", "یازده", "دوازده", "سیزده", "چهارده", "پانزده", "پونزده", "شونزده", "هفده", "هجده", "نوزده", "شانزده", "هیفده", "هیجده", "هژده", "هیژده"));
return(writtenNum);
}
/// <summary>
/// Returns the regex pattern for the year part of the date,
/// which can be either digits or written numbers in Persian.
/// </summary>
/// <returns></returns>
private string YearPattern()
{
return(RegexPatternCreator.CreateGroup("Year",
RegexPatternCreator.CreateOR(true,
@"\d+",
persianNumberParser.PersianNumberPattern()
)
));
}
/// <summary>
/// Returns the regex pattern of three-digit-blocks
/// (i.e. umbers lower than 1000 which are main building blocks of larger numbers).
/// </summary>
/// <returns></returns>
internal string ThreeDigitBlockPattern()
{
string numberPattern = RegexPatternCreator.CreateGroup(THREEDB_NAME,
RegexPatternCreator.CreateOR(false,
AllUpToOnesAndTenOnes(), AllUpToTens(), HundsPattern(), @"\d\d?\d?"
)
);
return(@"\b" + numberPattern + @"\b");
}
/// <summary>
/// returns the pattern that makes numbers ordinal. i.e. adds "م" and "ام" in the end.
/// </summary>
/// <returns></returns>
private string OrdinalityPattern()
{
string ordinalityPat = RegexPatternCreator.ClosureQuestionMark(
RegexPatternCreator.CreateGroup("",
RegexPatternCreator.InWordWSStar,
RegexPatternCreator.CreateGroup("", RegexPatternCreator.CreateOR(true, "م", "ام"))
)
);
return(ordinalityPat);
}
/// <summary>
/// Returns the regex pattern for the Week-day part in an English date.
/// </summary>
/// <returns></returns>
public string WeekdayPattern()
{
string weekday =
RegexPatternCreator.CreateGroup("Weekday",
RegexPatternCreator.CreateOR(false,
"saturday", "sunday", "monday", "tuesday", "wednesday", "thursday", "friday",
"sat", "sun", "mon", "tue", "wed", "thu", "fri",
"sat\\.", "sun\\.", "mon\\.", "tue\\.", "wed\\.", "thu\\.", "fri\\."));
return(weekday);
}
/// <summary>
/// Returns the pattern of 3-digit blocks plus the multipliers.
/// Named As MULTIPLIER_GROUP_NAME
/// </summary>
private string BlockPlusMultiplier()
{
return
(RegexPatternCreator.CreateGroup(MULTIPLIER_GROUP_NAME,
RegexPatternCreator.CreateOR(true,
RegexPatternCreator.CreateGroup("",
ThreeDigitBlockPattern(), RegexPatternCreator.BetWordWSPlus, MultipliersPattern()
),
"هزار"
)
));
}
/// <summary>
/// Returns the regex pattern for all possible month names in all the supported calendar types, ORed together.
/// </summary>
/// <returns></returns>
private string MonthNamePattern()
{
return(RegexPatternCreator.CreateGroup("MonthName",
RegexPatternCreator.CreateOR(false,
"فروردین", "اردیبهشت", "خرداد", "تیر", "مرداد", "امرداد", "شهریور",
"مهر", "آبان", "ابان", "آذر", "دی", "بهمن", "اسفند", "اسپند",
"ژانویه", "جنوری", "فوریه", "فبروری", "مارس",
"مارچ", "آوریل", "آپریل", "مه", "می", "ژوئن", "جون", "ژوئیه", "ژوییه", "جولای", "ژولای"
, "اوت", "اگوست", "آگوست", "سپتامبر", "سپتمبر", "اکتبر", "نوامبر", "نومبر", "دسامبر", "دسبمر"
, "محرم", "محرمالحرام", "محرم الحرام", "صفر", "ربیعالاول", "ربیع الاول"
, "ربیعالثانی", "ربیع الثانی", "جمادیالاولی", "جمادیالاول", "جمادی الاولی", "جمادی الاول"
, "جمادیالثانی", "جمادی الثانی", "رجب", "شعبان", "رمضان", "شوال", "ذیالقعده", "ذی القعده", "ذوالقعده"
, "ذو القعده", "ذیالحجه", "ذوالحجه", "ذی الحجه", "ذو الحجه")));
}
/// <summary>
/// Returns the complete regex date pattern in Persian.
/// </summary>
/// <returns></returns>
private string PersianDatePattern()
{
string monthYearOptionalLiteral = RegexPatternCreator.CreateGroup("",
RegexPatternCreator.ClosureQuestionMark(RegexPatternCreator.CreateGroup("",
RegexPatternCreator.BetWordWSPlus, "ماه")),
RegexPatternCreator.ClosureQuestionMark(RegexPatternCreator.CreateGroup("",
RegexPatternCreator.BetWordWSPlus, "سال"))
);
string optionalWeekday = RegexPatternCreator.ClosureQuestionMark(RegexPatternCreator.CreateGroup("", WeekdayPattern(), RegexPatternCreator.BetWordWSPlus));
string optionalYear = RegexPatternCreator.ClosureQuestionMark(RegexPatternCreator.CreateGroup("", RegexPatternCreator.BetWordWSPlus, YearPattern()));
string datePattern = RegexPatternCreator.CreateGroup("PersianDate", optionalWeekday, DayNumPattern(), RegexPatternCreator.BetWordWSPlus, MonthNamePattern(), monthYearOptionalLiteral, optionalYear);
return(@"\b" + datePattern + @"\b");
}
/// <summary>
/// Returns regex pattern for week-day part of the date pattern
/// </summary>
/// <returns></returns>
public string WeekdayPattern()
{
string weekdayDigits = "[12345۱۲۳۴۵]";
string writtenNum = RegexPatternCreator.CreateGroup("WeekdayNum", RegexPatternCreator.CreateOR(false, "یک", "دو", "سه", "چهار", "پنج", weekdayDigits));
string weekday =
RegexPatternCreator.CreateGroup("Weekday",
RegexPatternCreator.CreateOR(true,
RegexPatternCreator.CreateGroup("",
RegexPatternCreator.ClosureQuestionMark(
RegexPatternCreator.CreateGroup("", writtenNum, RegexPatternCreator.InWordWSStar)
),
"شنبه"),
"جمعه"));
return(weekday);
}
/// <summary>
/// Returns regex patterns for the multipliers of 100. e.g. سیصد، دویست، نهصد، صد
/// </summary>
/// <returns></returns>
private string HundsPattern()
{
string writtenNum =
RegexPatternCreator.CreateGroup(HUNDSNUM_NAME,
RegexPatternCreator.CreateOR(false, "یک", "دو", "سی", "چهار", "پان", "پون", "پنج", "شش", "شیش", "هفت", "هشت", "نه"));
string hunds =
RegexPatternCreator.CreateGroup(HUNDS_NAME,
RegexPatternCreator.CreateOR(true,
RegexPatternCreator.CreateGroup("",
RegexPatternCreator.ClosureQuestionMark(
RegexPatternCreator.CreateGroup("", writtenNum, RegexPatternCreator.InWordWSStar)
),
"صد"),
"دویست", "سیصد"));
return(hunds);
}
/// <summary>
/// Returns the regex pattern for all possible month-names in all possible calendar types in English language, ORed together.
/// </summary>
/// <returns></returns>
private string MonthNamePattern()
{
return(RegexPatternCreator.CreateGroup("MonthName",
RegexPatternCreator.CreateOR(true,
"january", "jan", "jan\\.", "february", "feb", "feb\\.", "march", "mar", "mar\\.", "april", "apr", "apr\\.", "may",
"june", "jun", "jun\\.", "july", "jul", "jul\\.", "august", "aug", "aug\\.", "september", "sep", "sep\\.", "october", "oct", "oct\\.",
"november", "nov", "nov\\.", "december", "dec", "dec\\.",
"farvardin", "ordibehesht", "khordād", "khordad", "tir", "mordād", "amordād", "mordad",
"amordad", "shahrivar", "mehr", "aban", "aban", "āzar", "azar", "dey", "bahman", "esfand", "espand",
"muharram", "muḥarram ul ḥaram", "muharram ul haram", "safar", "ṣafar ul muzaffar", "safar ul muzaffar",
"rabi' al-awwal", "rabi' al-thani", "jumada al-ula", "jumada al-thani", "rajab",
"rajab al murajab", "sha'aban", "sha'abān ul moazam", "sha'aban ul moazam", "ramadan", "ramazān",
"ramaḍān ul mubarak", "ramadan ul mubarak", "ramazan", "ramazan ul mubarak", "shawwal",
"shawwal ul mukarram", "dhu al-qi'dah", "dhu al-hijjah")));
}
/// <summary>
/// Returns the complete regex pattern for an English date.
/// </summary>
/// <returns></returns>
private string EnglishDatePattern()
{
string optionalWeekday =
RegexPatternCreator.ClosureQuestionMark(RegexPatternCreator.CreateGroup("",
WeekdayPattern(),
RegexPatternCreator.ClosureQuestionMark(RegexPatternCreator.BetWordWSPlus),
RegexPatternCreator.ClosureQuestionMark(","),
RegexPatternCreator.BetWordWSPlus
));
string optionalYear =
RegexPatternCreator.ClosureQuestionMark(RegexPatternCreator.CreateGroup("",
RegexPatternCreator.ClosureQuestionMark(RegexPatternCreator.BetWordWSPlus),
RegexPatternCreator.ClosureQuestionMark(","),
RegexPatternCreator.BetWordWSPlus,
YearPattern()));
string datePattern = RegexPatternCreator.CreateGroup("EnglishDate", optionalWeekday, MonthNamePattern(), RegexPatternCreator.BetWordWSPlus, DayNumPattern(), optionalYear);
return(@"\b" + datePattern + @"\b");
}
/// <summary>
/// Returns the regex pattern for the day number (in month) in an English date, which can only be digits.
/// </summary>
/// <returns></returns>
private string DayNumPattern()
{
return(RegexPatternCreator.CreateGroup("",
RegexPatternCreator.CreateGroup("DayNum", @"\d\d?"),
RegexPatternCreator.ClosureQuestionMark("th|st|rd|nd")));
}
/// <summary>
/// Returns the regex pattern for the year part of an English date, which can only be digits.
/// </summary>
/// <returns></returns>
private string YearPattern()
{
return(RegexPatternCreator.CreateGroup("Year",
@"\d+"
));
}
/// <summary>
/// Returns the regex pattern for the day-number (in month) part of the date description
/// which can also be in persian written form.
/// </summary>
/// <returns></returns>
private string DayNumPattern()
{
return(RegexPatternCreator.CreateGroup("DayNum", persianNumberParser.ThreeDigitBlockPattern()));
}
