This custom indicator will show you 28 pair's daily candle range, High-Low range, candle bullishness or bearishness from real tick market. So you can understand the overall market situation very short time. You can change the default timeframe from Daily to any period and default candle (bar) number from 0 to any previous number. Also you can open the required symbol by clicking the symbol button.
To understand the indicator's activity, please see the attached image:

RegularExpressions in MQL4 for working with regular expressions
Regular expressions provide a formal language for quick and flexible processing of texts. Each regular expression is a pattern (mask), for which the regular expression engine tries to find matches in the source text. A pattern consists of one or more character literals, operators, or constructs.
Engulfing with RSI
Not really profitable but the code fits on one page.
BarNumbers
Displays the number of each bar - both, relative to the most current bar and in absolute terms from the beginning of the chart.
CSyncEvent Class - WinApi
Class for working with synchronization events.