Get Sub-string From URL in FTL

[Vivek]

Hi,

I have the below URL string say /level1/level2/level3/_________________

Now I need to get the sub-string till level 3. i.e. /level1/level2/level3 . How can I achieve it?

Thanks,

[Jasper Floor]

Get the URL (from the request) and do a regex match. 

mvg,

Jasper

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[Woonsan Ko]

<#assign s="/level1/level2/level3/a/b/c.html">

<#assign res=s?matches(r"^(\/[^\/]+){3}(.*)$")>

<#assign remaining="">

<#if res>

  <#assign remaining=res?groups[1]>

</#if>

${remaining} <#-- "/a/b/c.html" -->

Regards,

Woonsan

References:

- https://freemarker.apache.org/docs/ref_builtins_string.html#ref_builtin_matches

- https://freemarker.apache.org/docs/ref_builtins_string.html#ref_builtin_index_of

- https://freemarker.apache.org/docs/ref_builtins_sequence.html#ref_builtin_join

 

Thanks,

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Woonsan Ko

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[Woonsan Ko]

On Tue, Feb 20, 2018 at 10:56 AM, Woonsan Ko <woons...@bloomreach.com> wrote:

On Tue, Feb 20, 2018 at 8:31 AM, Vivek <vivek....@gmail.com> wrote:

Hi,

I have the below URL string say /level1/level2/level3/_________________

Now I need to get the sub-string till level 3. i.e. /level1/level2/level3 . How can I achieve it?

<#assign s="/level1/level2/level3/a/b/c.html">

<#assign res=s?matches(r"^(\/[^\/]+){3}(.*)$")>

<#assign remaining="">

<#if res>

  <#assign remaining=res?groups[1]>

Sorry, it should be 'res?groups[2]'.

Woonsan

[Vivek]

Hi, I do need last url, I need parent URL till 3 level. say /level1/leve2/level3

On Tuesday, February 20, 2018 at 9:27:57 PM UTC+5:30, woonsan.ko wrote:

On Tue, Feb 20, 2018 at 10:56 AM, Woonsan Ko <woons...@bloomreach.com> wrote:

On Tue, Feb 20, 2018 at 8:31 AM, Vivek <vivek....@gmail.com> wrote:

Hi,

I have the below URL string say /level1/level2/level3/_________________

Now I need to get the sub-string till level 3. i.e. /level1/level2/level3 . How can I achieve it?

<#assign s="/level1/level2/level3/a/b/c.html">

<#assign res=s?matches(r"^(\/[^\/]+){3}(.*)$")>

<#assign remaining="">

<#if res>

  <#assign remaining=res?groups[1]>

Sorry, it should be 'res?groups[2]'.

Woonsan

 

</#if>

${remaining} <#-- "/a/b/c.html" -->

Regards,

Woonsan

References:

- https://freemarker.apache.org/docs/ref_builtins_string.html#ref_builtin_matches

- https://freemarker.apache.org/docs/ref_builtins_string.html#ref_builtin_index_of

- https://freemarker.apache.org/docs/ref_builtins_sequence.html#ref_builtin_join

 

Thanks,

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Woonsan Ko

woons...@bloomreach.com

US +1 877 414 4776 (toll free)

Europe +31(0)20 522 4466

[Woonsan Ko]

<#assign s="/level1/level2/level3/a/b/c.html">

<#assign res=s?matches(r"^((\/[^\/]+){3})(.*)$")>

<#assign firstThree="">

<#if res>

  <#assign firstThree=res?groups[1]>

</#if>

${firstThree} <#-- "/level1/level2/level3" -->

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[Woonsan Ko]

Also, for those who want to test FreeMarker templates on the fly, try this at any time with the examples:

- http://try.freemarker.org/

Cheers,

Woonsan