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====== <#Pos> ======

Returns the index value of the first character in a specified substring that occurs in a given string. 
Pos returns the index of SubStr in S, beginning the search at Offset. Pos is case-sensitive.
If SubStr is not found or Offset is invalid (greater than the length of Str or less than 1), 
then the result is 0. 

<code>
Using POS tag is essentially placing application logic into the presentation 
that may be better handled in PHP. Use at your own discretion. 
</code>

==== Parameters ====

^ Name                                                       ^ Mandatory ^ Default ^ Description ^     
| <html><span style="color:#008000">SubStr</span></html>     | Yes       |         | The name of the variable |
| <html><span style="color:#008000">Str</span></html>        | Yes       |         | If empty return the value of the variable "Name", else initialize the value of the variable "Name" |
| <html><span style="color:#008000">Offset</span></html>     | No        | 1       | If no custom variable "Name" are defined, return the value of this parameter |
| <html><span style="color:#008000">IgnoreCase</span></html> | No        | 0       | Case insensitive search |

==== Example ====

<code>

<#pos substr="abcd" str="abcdefgh">

</code>

The above example will output: 

<code>

1

</code>

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